General Holosun pistol optic thread

[vandal]

Holosun replaced my 507K in under a week from when I mailed it off. Can't ask for better service than that. Better sight reliability, maybe.

[newyork]

I still have a holosun block. Still haven’t forked over the cash for a dot. Year in the making or more. I keep telling myself Trijicon or aimpoint. Then I see holosun prices and it kills me.

[Caballoflaco]

My 507K green and 407CO arrived today from Kenzie’s.

I like the green, but quickly noted there is a lot of green in Montana and Alaska, and green might be a better desert color where red a better AK/MT color. I REALLY dig the 8 moa circle on the 407CO and look forward to shooting it.

I personally didn’t care for green after playing with one in the green southeast during the day, but Aaron Cowan didn’t seem mind it in the last video he did on a green dot. I imagine at night I would like them more.

For my brain and eyes the contrast of red seems to be easier/faster to pick up, and working in the landscaping I get paid to look for different shades of green surrounded by other stuff that is green, and I’m really good at it.

However, with differences in individual perception and levels of color blindness etc. I do think more options on the market are a good thing.

[HCM]

I still have a holosun block. Still haven’t forked over the cash for a dot. Year in the making or more. I keep telling myself Trijicon or aimpoint. Then I see holosun prices and it kills me.

The 509 has some issues which will apparently be addressed in the next generation. Other wise they are great optics for the $$$. To quote Scott Jedlinski “Chinese invented Gin Powder - get over it.”

The 507 and 508 series are good to go.

The new P2 is nice and I would choose it over anything Trijicon offers.

[newyork]

P2 has my interest. I don’t know that it’ll fit on my m&P with a back up iron as well. Atei says it will with iron in fron OR a shim sight. No one else seems to offer it. “For the money” can be a negative but I see a lot of folks here like them a lot so I suppose it’s not a negative.

[Up1911Fan]

The 509 has some issues which will apparently be addressed in the next generation. Other wise they are great optics for the $$$. To quote Scott Jedlinski “Chinese invented Gin Powder - get over it.”

The 507 and 508 series are good to go.

The new P2 is nice and I would choose it over anything Trijicon offers.

I have all 3 and prefer the 508 and 509. Just seem better built than the 507. Definitely like the bigger window on the 509.

[HCM]

I have all 3 and prefer the 508 and 509. Just seem better built than the 507. Definitely like the bigger window on the 509.

The 509s have some fish eye and there have been some with mount issues and reticle issues uncharacteristic of other Holosun products.

[HCM]

P2 has my interest. I don’t know that it’ll fit on my m&P with a back up iron as well. Atei says it will with iron in fron OR a shim sight. No one else seems to offer it. “For the money” can be a negative but I see a lot of folks here like them a lot so I suppose it’s not a negative.

Nope.

508 is an approved duty optic for my local PD (2k sworn) along with the RMR, DPP and ACRO. All the range staff I’ve seen chose 508s.

[newyork]

Have you seen anymore of one type of dot go down ?
I’d assume the cost was an incentive for some. I see them for $369. Over $100 less than an rmr I think.

[Nephrology]

Have you seen anymore of one type of dot go down ?
I’d assume the cost was an incentive for some. I see them for $369. Over $100 less than an rmr I think.

You can get an RMR for about $450 at Euro optic, so it's more of an $80 difference

[newyork]

Didn’t know that. Thank you!

Basically, am I being a fool staying away from Holosun because it’s a Chinese owned and operated company?

[Up1911Fan]

Didn’t know that. Thank you!

Basically, am I being a fool staying away from Holosun because it’s a Chinese owned and operated company?

Yes.

[dontshakepandas]

Didn’t know that. Thank you!

Basically, am I being a fool staying away from Holosun because it’s a Chinese owned and operated company?

I would say you are a fool if you are assuming that the products are subpar only because Holosun is Chinese owned and operated. I do not think it makes you a fool if you recognize what they have to offer but still prefer not to support Chinese companies on principle and can afford the price difference.

They make quality products at competitive prices. I’ve owned most of their pistol optic line and there are pros and cons compared to other options. I definitely wouldn’t say that they are the best optic in each category, but in some cases they may be the best option depending on what your specific needs and priorities are.

[newyork]

Most of my cringe is the not wanting to support China. But it is in a price point that’s easier for me than say Trijicon. My wants/needs are wanting a carry/HD optic. It’ll be my first.

[littlejerry]

Now that the 407CO is available, what's the preference for a carry and/or USPSA? Is the circle dot 507C superior to the 8MOA circle in the 407CO?

[GJM]

Holosun pistol optics are no longer just price point optics — they have excellent features.

[Up1911Fan]

Zeroed a 508T on this "Roland Special" today and fired this 10 shot group. Need to tweak the zero a small amount. I think I prefer the 508T to my RMR's. 73057

[GJM]

Regardless of cost difference, I prefer the 508T to a type 2 RMR. Side loading battery, reticle choices, larger display.

[newyork]

GJM Do prefer a 509 to the 508?

I suppose my hesitation is supporting a Chinese company, not thinking they’re an inferior optic. I may give in.

[DMCutter]

I put a type 2 RMR on my apocalypse USPc because, with the sealing plate, it's waterproof to any reasonable depth-not that I plan on diving with it, but I could if I wanted to, I guess. Has anyone experienced or heard of a water induced failure of a 50* optic? I believe they're rated to 2 meters for limited periods or something along those lines.

[Crusader8207]

Zeroed a 508T on this "Roland Special" today and fired this 10 shot group. Need to tweak the zero a small amount. I think I prefer the 508T to my RMR's. 73057

I agree. I am about to put a 508t on my full size 320 which has had an RMR for well over a year.

[call_me_ski]

So about a month into owning and using a 509t I had to replace the battery. I guess I should have just got the ACRO.

[vandal]

I'd say you got a bad one. Mine is also a little off... zero seems to wander. My plan is to wait a bit until the Gen 2 509Ts come out, and then send mine in for repair, fingers crossed.


So about a month into owning and using a 509t I had to replace the battery. I guess I should have just got the ACRO.

[Westtexasrancher]

Wanting to get my gen 5 26 cut for a 507. Any recommendations on a company with a fast turnaround time, have a class July 31st :)

[Nephrology]

Wanting to get my gen 5 26 cut for a 507. Any recommendations on a company with a fast turnaround time, have a class July 31st :)

Maple Leaf Firearms got my Glock 26 back to me in about 5 weeks. They have a very nice package (https://www.mapleleaffirearms.com/carry) - for $225, they will cut for an RMR footprint, cut enhanced fwd/rear serrations, and re-nitride for $225 base price. They'll also install aftermarket suppressor height sights that they stock for the price of the sights, no labor fees.

Here's a photo with 3 of my slides that got this package, including a Glock 26. Very, very pleased with their work, the finish is great and the machining is impeccable.

You will have to purchase a separate set of screws from Maple Leaf for the Holosun as they use slightly different heights, but they're only a few bucks.

https://i.imgur.com/HDyv7G6.jpg

[Kanye Wyoming]

+1 on Maple Leaf for a G26.

[Nephrology]

Speaking of Holosuns and slide work, I got these two back yesterday. Unfortunately as mentioned in the Glock photo thread, the 507k on the G48 failed within just 10 minutes of getting it on the slide, so that is going back to California. Hopefully the unit on the 43 does OK.

Comparing them side by side, the Holosuns clearly have better glass and a better feature set than comparable Trijicon products. I can totally see why GJM likes their Eotech reticle for CCW too, it is very fast to pick up from the draw, and particularly on the little guns I can see how this would really make a difference in tracking the dot during recoil.

So even though so far I have had 2 out of the box failures of the 4 Holosuns I have purchased so far, I ordered a 508t yesterday to go on my other G26 as I am confident that eventually I will get a working unit that will be a better optic than the RMR for the price.

Also for those looking for shops to machine their slides, these two were done by Jagerwerks. I opted to cheap out and get front serrations cut without any extra slide work, but unlike Maple they just milled right through the OEM engraving (as they clearly stated on their website). I was worried it would bother me but it doesn't.

The nitride refinish they did seems a little thinner than Maple's as I've already got a couple scratches on the slides, but their machine work was solid. They have better packages for the single stack Glocks in my opinion, and offer machining services for a wider variety of optics/guns, too. If I were to do it again I would probably send all of my doublestack guns to Maple Leaf and the single stack glocks to Jagerwerks.

https://i.imgur.com/Aw4nwGr.jpg

https://i.imgur.com/erFgEvz.jpg

[Lon]

If you guys don’t know/follow AsianJedi (Modern Samurai Project) I’d suggest doing so. He sees A LOT of optics in his classes since that’s really all he does - teach RDS classes. The last time I talked to him (last summer at RDS Instructor class) he really only recommended 2 brands as duty optics - RMR and Holosun. The DPP and ACRO he sees each have their own issues. He’s running a 509/Walther PDP right now (he is part of the Defense Division).

I’m really hoping our new duty pistols come in soon. My 509 belongs on a pistol, not sitting in a desk drawer.

I’m hoping that Vortex gets their MRDS squared away soon. I’ve heard they’re working on it.

I just mounted up a Holosun micro w green circle dot on one of our new 40mm LL launchers. Can’t wait to get that out and get it zeroed.

73075

[MVS]

Speaking of Holosuns and slide work, I got these two back yesterday. Unfortunately as mentioned in the Glock photo thread, the 507k on the G48 failed within just 10 minutes of getting it on the slide, so that is going back to California. Hopefully the unit on the 43 does OK.

Comparing them side by side, the Holosuns clearly have better glass and a better feature set than comparable Trijicon products. I can totally see why GJM likes their Eotech reticle for CCW too, it is very fast to pick up from the draw, and particularly on the little guns I can see how this would really make a difference in tracking the dot during recoil.

So even though so far I have had 2 out of the box failures of the 4 Holosuns I have purchased so far, I ordered a 508t yesterday to go on my other G26 as I am confident that eventually I will get a working unit that will be a better optic than the RMR for the price.

Also for those looking for shops to machine their slides, these two were done by Jagerwerks. I opted to cheap out and get front serrations cut without any extra slide work, but unlike Maple they just milled right through the OEM engraving (as they clearly stated on their website). I was worried it would bother me but it doesn't.

The nitride refinish they did seems a little thinner than Maple's as I've already got a couple scratches on the slides, but their machine work was solid. They have better packages for the single stack Glocks in my opinion, and offer machining services for a wider variety of optics/guns, too. If I were to do it again I would probably send all of my doublestack guns to Maple Leaf and the single stack glocks to Jagerwerks.

https://i.imgur.com/Aw4nwGr.jpg

https://i.imgur.com/erFgEvz.jpg

What do you mean by "better glass"? I have both ( and have had just about everything) and don't understand that comment. If you mean clearer I will grant you that, but the Trijicon are not clear on purpose.

[dontshakepandas]

What do you mean by "better glass"? I have both ( and have had just about everything) and don't understand that comment. If you mean clearer I will grant you that, but the Trijicon are not clear on purpose.

I agree. Almost all of the 7 Holosuns I’ve owned have clearer glass than an RMR, but have significantly more distortion. The degree of distortion and fish eye varied pretty heavily across different models and even different units that were the same model.

The only exception is the 507k I have on my 43x. I don’t notice much distortion with it at all and am pretty happy with it so far. Seeing so many reports of them falling makes me nervous, but that gun doesn’t get a lot of use.

I’ve since gotten rid of all of the Holosuns except for the 507k and replaced them with RMRs or Aimpoints.

The reticle options and battery tray just aren’t that big of a deal to me. I prefer to use just the dot so the other options on the Holosuns are just wasted for me. While I’d rather be able to change the battery without removing the optic, having to take the optic off hasn’t been an issue for me since every time I’ve changed the battery on my RMRs they have maintained their zero perfectly. That may not be the case for MOS type guns, but my Jagerwerks and ATEI milled slides haven’t required a single adjustment.

I wouldn’t blame anybody for deciding that those features were advantages for them and choosing Holosun though. I just prefer there less distorted view of the RMR and better build quality so that makes them the best option for me.

[dontshakepandas]

If you guys don’t know/follow AsianJedi (Modern Samurai Project) I’d suggest doing so. He sees A LOT of optics in his classes since that’s really all he does - teach RDS classes. The last time I talked to him (last summer at RDS Instructor class) he really only recommended 2 brands as duty optics - RMR and Holosun. The DPP and ACRO he sees each have their own issues.

Do you know what type of issues he’s seen with the ACRO? I was considering having a slide milled for one soon, but there really isn’t much info available about them other than the well documented battery problems.

[Lon]

Do you know what type of issues he’s seen with the ACRO? I was considering having a slide milled for one soon, but there really isn’t much info available about them other than the well documented battery problems.

That’s what the issue was. Crappy battery life. Which really isn’t an issue if your .gov and aren’t buying batteries.

[Nephrology]

What do you mean by "better glass"? I have both ( and have had just about everything) and don't understand that comment. If you mean clearer I will grant you that, but the Trijicon are not clear on purpose.

Less tint and less fish-eye distortion edge to edge. Like I said I don't think it really matters that much for a pistol mounted red dot as with target focus I don't notice it much at all, but it is a pretty obvious difference. Some people seem to be more annoyed by the tint/distortion on the RMR than others, I am not personally bothered by it

[Nephrology]

That’s what the issue was. Crappy battery life. Which really isn’t an issue if your .gov and aren’t buying batteries.

For what it's worth I've been playing with the battery settings on my ACRO P1s. When left on setting 8 I got 6 weeks of life before I noticed the battery was visibly low. Aaron Cowan said that on the same setting he only got 2 weeks of life out of them, not really sure how to explain that. I have another that I have left on setting 7 that is going on its 3rd month with no issues.

Given side loading battery that you can swap out in about 30 seconds, I don't really see this as that much of a limitation.

[dontshakepandas]

That’s what the issue was. Crappy battery life. Which really isn’t an issue if your .gov and aren’t buying batteries.

Thanks. If I do it I’ll be going with the P-2 so hopefully battery life won’t be an issue anymore.

[call_me_ski]

If you guys don’t know/follow AsianJedi (Modern Samurai Project) I’d suggest doing so. He sees A LOT of optics in his classes since that’s really all he does - teach RDS classes. The last time I talked to him (last summer at RDS Instructor class) he really only recommended 2 brands as duty optics - RMR and Holosun. The DPP and ACRO he sees each have their own issues. He’s running a 509/Walther PDP right now (he is part of the Defense Division).

I’m really hoping our new duty pistols come in soon. My 509 belongs on a pistol, not sitting in a desk drawer.

I’m hoping that Vortex gets their MRDS squared away soon. I’ve heard they’re working on it.

I just mounted up a Holosun micro w green circle dot on one of our new 40mm LL launchers. Can’t wait to get that out and get it zeroed.

73075

Do you know where they sell those LMT 40mm launchers for for personal purchase? I have wanted one since I started carrying one professionally.

[Lon]

Do you know where they sell those LMT 40mm launchers for for personal purchase? I have wanted one since I started carrying one professionally.

Don’t think I’ve ever see a 40mm for sale for personal purchase. I’ve seen various 37mm “flare” launchers, but that’s it.

[Nephrology]

Just mounted this 508T. Milling by Jagerwerks. Really happy with them but would probably go with Maple Leaf for any future doublestack glocks.... though not sure if I have a lot of those left without optics cuts either finished or in the works sooner than later.

https://i.imgur.com/9on0foE.jpg

[RJ]

I need to pick up a HS 407c x2 for a USPSA gun. Is there a go to site for purchase these days? Any rumint on new offerings on the horizon from HS?

I bought my last one, a 507k from Brownell’s. Before that I bought a 507c at my LGS, who matched the Amazon price I quoted them.

[CS Tactical]

We have the 507c X2, 507k X2 and 508T in stock right now :)

[1911Nut]

Just mounted this 508T. Milling by Jagerwerks. Really happy with them but would probably go with Maple Leaf for any future doublestack glocks.... though not sure if I have a lot of those left without optics cuts either finished or in the works sooner than later.

https://i.imgur.com/9on0foE.jpg

Would you mind expanding on the reasons you would probably defer to Maple Leaf over Jagerworks for future double stack Glock slide milling?

Thanks.

[Nephrology]

Would you mind expanding on the reasons you would probably defer to Maple Leaf over Jagerworks for future double stack Glock slide milling?

Thanks.

You get nicer forward and rear serration cuts, RMR cut + nitride refinishing for less money than the equivalent Jagerwerks order. its a $60 or so and they mill right through the logo. Jagerwerks nitride seems "thinner," not sure if thats the nitriding or the parkerizing that I think (?) usually goes with it but either way the Maple Leaf is better work for less money, it's a no brainer.

[1911Nut]

You get nicer forward and rear serration cuts, RMR cut + nitride refinishing for less money than the equivalent Jagerwerks order. its a $60 or so and they mill right through the logo. Jagerwerks nitride seems "thinner," not sure if thats the nitriding or the parkerizing that I think (?) usually goes with it but either way the Maple Leaf is better work for less money, it's a no brainer.

Helpful info. Thanks!

[GJM]

I picked up a 407K this afternoon, thinking it may replace the Swamp Fox on my 43X MOS. I like the larger dot. This evening, I pointed it into the setting sun, and it had an unacceptable amount of splatter. The five series Holosun reticle choices are just a better EDC choice for me, given my desire to select circle only for EDC and a single dot for pure technical shooting.

[tlong17]

Ran the circle only ⭕️ through a lot of different stuff today. I can’t believe it, maybe I don’t want to believe it, but the circle is a real thing. Had my best FAST cold and best Adv Super Test to date.

Why??

Even my 25 yard B8s were better. I am going to need to continue with it for another couple months to be sure this wasn’t a fluke. It’s hard for me to accept! I can count on one hand the number of people that I know use it, present company excluded.

[newyork]

You get nicer forward and rear serration cuts, RMR cut + nitride refinishing for less money than the equivalent Jagerwerks order. its a $60 or so and they mill right through the logo. Jagerwerks nitride seems "thinner," not sure if thats the nitriding or the parkerizing that I think (?) usually goes with it but either way the Maple Leaf is better work for less money, it's a no brainer.

I’m sure Jager is just fine for $100 though right? Lol. July 4th sale.

[MVS]

I picked up a 407K this afternoon, thinking it may replace the Swamp Fox on my 43X MOS. I like the larger dot. This evening, I pointed it into the setting sun, and it had an unacceptable amount of splatter. The five series Holosun reticle choices are just a better EDC choice for me, given my desire to select circle only for EDC and a single dot for pure technical shooting.


Though there are other things I don't like about it, out of everything I have the 507c with the Vulcan Chevron is by far the best in challenging sun conditions. I was running that and my 507k at the range yesterday with the k on circle and dot, and the Chevron was hands down less affected by bright low angle sun.

[Nephrology]

I’m sure Jager is just fine for $100 though right? Lol. July 4th sale.

If you don't mind them milling thru the logos then sure. The work itself was of good quality.

[newyork]

I’ll do the maple.

I’m such a stubborn fuck and won’t let myself buy a holosun. It’s the difference between done and done on my m&P and mill and sights but no optic because I can’t afford the rmr now.

[newyork]

Well finally after torturing myself and everyone else I just paid for milling for my M&P. Rmr mill. Nitride. Ameriglos (sucks I just had Spartans put on). Now to save for an optic.

[RJ]

I need to pick up a HS 407c x2 for a USPSA gun. Is there a go to site for purchase these days? Any rumint on new offerings on the horizon from HS?

I bought my last one, a 507k from Brownell’s. Before that I bought a 507c at my LGS, who matched the Amazon price I quoted them.

I ended up buying another 507c, from Brownell's with their 4th of July promotion. It came today and I put it on the G 19 MOS, avoiding the need to pull the 507c from my G34. The cost of the 507 vs. 407 wasn't that much.

Anyway, I stuck on a Dawson steel 0.315" front on the 19, since I had one spare in the Bag o' Glock sights. It looks like the best height rear (judging purely by eye and my digital caliper) is going to be around 0.395". I appreciate this is trial and error with gun/ammo, but does anyone think think this setup would not be a decent starting point (0.395" rear / 0.315 front) for a 19 with a 507c? I used a Forward Controls RMR plate. I can just about see the front through the window, meaning I think if I put on a 0.395 rear it should cover perhaps 1/3 of the glass on the bottom. I understand it would be for backup only. I'd just get a black steel rear to match the black steel front.

TIA.

[GJM]

My 507K just went through another battery. Confirmed on the battery tester. Checked my wife’s 365X and her 507K battery showed 10 percent or less, and I changed that battery. We run the circle reticle and that just seems to eat batteries. Not having an auto mode and solar function would appear to be the difference between the K and larger Holosun pistol optics, which have excellent battery life.

[JCN]

My 507K just went through another battery. Confirmed on the battery tester. Checked my wife’s 365X and her 507K battery showed 10 percent or less, and I changed that battery. We run the circle reticle and that just seems to eat batteries. Not having an auto mode and solar function would appear to be the difference between the K and larger Holosun pistol optics, which have excellent battery life.

More details? Brightness and are you leaving it on that brightness in between range sessions?

I generally try and turn my dots down or off when not in use. I have changed batteries on Romeo Zeros a bit because I tend to leave those on because the off button is more of a PITA than the Holosun.

[ssb]

My 507K just went through another battery. Confirmed on the battery tester. Checked my wife’s 365X and her 507K battery showed 10 percent or less, and I changed that battery. We run the circle reticle and that just seems to eat batteries. Not having an auto mode and solar function would appear to be the difference between the K and larger Holosun pistol optics, which have excellent battery life.

Are you using the shake-awake?

I’ve not had my 407K die on me. Daily carry usually at 11/12. However, I’ve also been fairly proactive with my battery changes. I know I can comfortably get 60 days out of that sort of use, though that’s the longest I’ve let it go without a change.

[GJM]

Battery life with the 507K using the circle only seems like the legacy Acro one click below max.

[1911Nut]

I'm running a 507K on a CZ RAMI. I run it with the circle and the dot on and use it for EDC. Only been running it about a month now, but I turn it off when it's not being carried.

[breakingtime91]

Battery life with the 507K using the circle only seems like the legacy Acro one click below max.

that is what I have heard from others. 507k dot lasts a long timeeeee but the circle or circle dot dies

[Exiledviking]

Battery life with the 507K using the circle only seems like the legacy Acro one click below max.What brand of battery do you recommend?

[GJM]

What brand of battery do you recommend?

Duracell or Renata

[Adam]

I ended up buying another 507c, from Brownell's with their 4th of July promotion. It came today and I put it on the G 19 MOS, avoiding the need to pull the 507c from my G34. The cost of the 507 vs. 407 wasn't that much.

Anyway, I stuck on a Dawson steel 0.315" front on the 19, since I had one spare in the Bag o' Glock sights. It looks like the best height rear (judging purely by eye and my digital caliper) is going to be around 0.395". I appreciate this is trial and error with gun/ammo, but does anyone think think this setup would not be a decent starting point (0.395" rear / 0.315 front) for a 19 with a 507c? I used a Forward Controls RMR plate. I can just about see the front through the window, meaning I think if I put on a 0.395 rear it should cover perhaps 1/3 of the glass on the bottom. I understand it would be for backup only. I'd just get a black steel rear to match the black steel front.

TIA.

See my post here. I think that rear would be way too tall for that front.

https://pistol-forum.com/showthread.php?46603-Current-best-Gen-5-Glock-MOS-optic-plate-sights-setup&p=1201046&viewfull=1#post1201046

[Up1911Fan]

See my post here. I think that rear would be way too tall for that front.

https://pistol-forum.com/showthread.php?46603-Current-best-Gen-5-Glock-MOS-optic-plate-sights-setup&p=1201046&viewfull=1#post1201046

Agreed. That seems pretty far off to me.

[Mark D]

I had some business at my local sheriff's office yesterday. The senior deputy who helped me was carrying a G17 with a 507C. I also spoke with another deputy who is very happy with her 507C with green reticle. We're fairly rural here, but pistol-mounted optics are definitely gaining ground with our local LE agencies and Holosun is well represented.

[msstate56]

I had some business at my local sheriff's office yesterday. The senior deputy who helped me was carrying a G17 with a 507C. I also spoke with another deputy who is very happy with her 507C with green reticle. We're fairly rural here, but pistol-mounted optics are definitely gaining ground with our local LE agencies and Holosun is well represented.

I have a local SO in my area that is very rural, with only a handful of deputies- but they are running 507’s on Glock MOS 17 and 34. I also know of a very large SO in a very urban jurisdiction that are issuing Sig 320s with 507’s as well. Red dots are definitely catching on locally.

[RJ]

See my post here. I think that rear would be way too tall for that front.

https://pistol-forum.com/showthread.php?46603-Current-best-Gen-5-Glock-MOS-optic-plate-sights-setup&p=1201046&viewfull=1#post1201046


Agreed. That seems pretty far off to me.

Maybe there is a difference in how Dawson and Ameriglo measure their rear sights? I just took my calipers and the deck height of my HS507c, on the FCD plate, from the bottom of the rear notch, is about 0.325" on my G19 MOS here in my hand. A GL-404 (the lowest black steel AG sells) lists at 0.394", giving me a sight that is 0.069" above the optic body (I'm assuming the notch is a bit lower, of course). The only other option(s) available on AG are taller than this. So I'm perplexed why this would be too high? But I might be missing something, that is for sure.

At any rate, I did order one, so if I messed up, thats $28 gone and I'll know more about how they measure sights.

[Adam]

Maybe there is a difference in how Dawson and Ameriglo measure their rear sights? I just took my calipers and the deck height of my HS507c, on the FCD plate, from the bottom of the rear notch, is about 0.325" on my G19 MOS here in my hand. A GL-404 (the lowest black steel AG sells) lists at 0.394", giving me a sight that is 0.069" above the optic body (I'm assuming the notch is a bit lower, of course). The only other option(s) available on AG are taller than this. So I'm perplexed why this would be too high? But I might be missing something, that is for sure.

At any rate, I did order one, so if I messed up, thats $28 gone and I'll know more about how they measure sights.

They do. I see what Ameriglo is going for with adding the .075 depth of the dovetail to their rear sight height, but Dawson uses measurements that you can actually take accurately with a pair of calipers.

I just measured mine, Dawson measures from the top of the slide to the top of the sight, front or rear. Their system of "top of slide to bottom of optic window + .100" is the easiest to follow and accurately measure. Dawson also recommends a front sight .005" shorter than the height of the rear. I have .335 rear and .330 front for my 19/forward controls/RM06 combo. If the .315 front sight is tall enough (and I think think yours probably is) in a Dawson you'd want a .320 rear. Add Ameriglo's .075 to that and you have .395 which is basically what Ameriglo says their height is.

You could reach out to Dawson, they're quick to respond. I'd verify your info and change the order. Your call though, you'll get it worked out.

[RJ]

They do. I see what Ameriglo is going for with adding the .075 depth of the dovetail to their rear sight height, but Dawson uses measurements that you can actually take accurately with a pair of calipers.

I just measured mine, Dawson measures from the top of the slide to the top of the sight, front or rear. Their system of "top of slide to bottom of optic window + .100" is the easiest to follow and accurately measure. Dawson also recommends a front sight .005" shorter than the height of the rear. I have .335 rear and .330 front for my 19/forward controls/RM06 combo. If the .315 front sight is tall enough (and I think think yours probably is) in a Dawson you'd want a .320 rear. Add Ameriglo's .075 to that and you have .395 which is basically what Ameriglo says their height is.

You could reach out to Dawson, they're quick to respond. I'd verify your info and change the order. Your call though, you'll get it worked out.


Yeah I'll let it ride. A while ago I made a bit of a study of sight options when I went through this merry-go-round with my G34. I never did understand why Dawson recommends a delta of 0.010" rear/front, it didn't really add up to me, but now I understand. My frame of reference was the Glock OEM "heights" which end up with a delta of 0.080", rear to front, most of the time. This "delta" shoots to POA for me for most ammo I shoot, so I try and measure sights consistently that way.

Below is a snip from one of my option analysis spreadsheets. The GL-409 set from AG matches that delta exactly, since it consists of a 0.315 front and a 0.394 rear, hence why I picked the 0.394 rear GL-404. I also think what's playing into this is the deck height of a 507c doesn't seem to be the same deck height as an RMR.

So yeah I think I'll stick with the AG for now and see how this shakes out. Good discussion though, made me think.

74456

[Adam]

RJ I'm tracking now. So you ordered an Ameriglo rear, not a Dawson rear. In that case you should be pretty dang close!

[DaBigBR]

I had some business at my local sheriff's office yesterday. The senior deputy who helped me was carrying a G17 with a 507C. I also spoke with another deputy who is very happy with her 507C with green reticle. We're fairly rural here, but pistol-mounted optics are definitely gaining ground with our local LE agencies and Holosun is well represented.

I sell Holosun (and other gun stuff) on the side of my LE job. Holosun has outsold Trijicon about 20:1. My own agency has been big on the 509T. I sell a lot to guys that work for a large SW US agency and they have been big on 507Cs and 5078Ts with quite a bit of demand for green dots.

[RJ]

Below is a snip from one of my option analysis spreadsheets. The GL-409 set from AG matches that delta exactly, since it consists of a 0.315 front and a 0.394 rear, hence why I picked the 0.394 rear GL-404. I also think what's playing into this is the deck height of a 507c doesn't seem to be the same deck height as an RMR.


Right, so this all got installed and checked today. tl;dr: I think for BIUS, this combo of 0.315" front/0.394 rear on a G19 MOS w HS507c/FC RMR, G plate is a little low, actually.

I can see the front and rear ok, it's just the bottom of the rear sight channel is below the deck height of the optic, when mounted. Ack, I suppose it was worth a try, as I already had the 0.315" front from a previous go around. I'll leave these on for the moment and get back to validating the gun (my EDC).

So I don't think I'm done, and I'll probably spend some time pondering whether I will change to a taller rear sight after I shoot it some in backup mode.

Picture and spreadsheet snip, fwiw, in case my process helps anyone.

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74883

[Adam]

Anyone have a spare Holosun 407/507 picatinny mount they'd part with? PM me if that's ok mods.

RJ looks like that is definitely a "low-witness". I have questioned "how low can I go?" and right where you're at is the break in my comfort level too. You were otherwise pretty spot on with your guesstimates it looks like though!

[GJM]

My general rule for BUIS is .315 for direct milled installations and .350 with a MOS style plate.

[RJ]

Ran through the available options again today.

Givens are: Glock 19 MOS, 2021 production; Forward Controls OPF-G, RMR plate, Holosun 507c MRDS. Keeping with Ameriglo, in sequence of rear sight heights, sets GL-429, GL-470, and GL-506 have rear heights (top of sight to dovetail bottom) of 0.394, 0.429 and 0.451 respectively.

After squinting at the numbers today, and doing some computations, having currently a 0.394 on the rear, and it being below deck height, the next set up that should clear the deck height is the GL-470. Front sight associated is 0.350, so the set would retain the rear to front "delta" of about 0.080 that helps me shoot to POA.

So I think what I will do is shoot the current setup for a while while I continue to vet the gun, then if the Ameriglos perform ok (mainly don't walk out of the rear dovetail, as I've heard some make mention of) I'll order a set of the GL-470s and stick them on.

Both the first try and future second try numbers are in the spreadsheet snip below. I made some changes to show the important results (red is bad) from the first set (current set) on the gun and the (future set) sights that should work.

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[Savage Hands]

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[GJM]

I read on another forum that same Holosun green optics are subject to a recall, where the optic goes into lock out mode and won’t exit.

[SoCalDep]

I read on another forum that same Holosun green optics are subject to a recall, where the optic goes into lock out mode and won’t exit.

Haven't heard about a recall, but (if I remember correctly) we did have one Holosun green optic in a class that wouldn't "wake up" several times. This seems consistent with that single experience.

[CakeEater]

Ladies and gentlemen, do you think the 509T-RD on sale at C&H is worth giving it a shot for a new Red dot shooter?
@$289.95, I thought it could be worth testing until the ACRO P2 and 509T X2 come out. TIA

https://chpws.com/product/holosun-509t-rd

[Up1911Fan]

Ladies and gentlemen, do you think the 509T-RD on sale at C&H is worth giving it a shot for a new Red dot shooter?
@$289.95, I thought it could be worth testing until the ACRO P2 and 509T X2 come out. TIA

https://chpws.com/product/holosun-509t-rd

Absolutely. I have 3 and like them.

[Magsz]

Ladies and gentlemen, do you think the 509T-RD on sale at C&H is worth giving it a shot for a new Red dot shooter?
@$289.95, I thought it could be worth testing until the ACRO P2 and 509T X2 come out. TIA

https://chpws.com/product/holosun-509t-rd

I would say yes with the only caveat being my C&H plate is a piece of garbage. I cannot get my 509 to stay mounted to this thing.

The first time, the optic loosened from the plate with proper application of vibrate VC3.

The second time, the plate screws became loose once again after properly degreasing, applying vibratite and torqueing the screws.

The third time, the optic came loose from the plate...again. Once again, properly degreased, vibratited and torqued.

The plate itself is too soft and once you go over 12 inch lbs, you can see the plate torquing upwards, ie bending. At 12 inch lbs, the optic will not stay on the gun. I'm not sure what to do at this point.

[Joe in PNG]

I'm pondering a 507c-x2 on an optics ready S&W M&P 2.0 Compact as an inexpensive "plug & play" RDS option.
I was thinking the C&H plate would be the way to mount, but I'm not reading good things here.
What would be a better alternative?

[RJ]

I would say yes with the only caveat being my C&H plate is a piece of garbage. I cannot get my 509 to stay mounted to this thing.

The first time, the optic loosened from the plate with proper application of vibrate VC3.

The second time, the plate screws became loose once again after properly degreasing, applying vibratite and torqueing the screws.

The third time, the optic came loose from the plate...again. Once again, properly degreased, vibratited and torqued.

The plate itself is too soft and once you go over 12 inch lbs, you can see the plate torquing upwards, ie bending. At 12 inch lbs, the optic will not stay on the gun. I'm not sure what to do at this point.

Some have reported similar problems with Vibratite. Due to the stories posted here and elsewhere, I've elected not to use that product, myself. I use new medium strength blue threadlocker (e.g. Loctite Blue 243). Some folks also like the "stick" form for convenience (Loctite Blue 248, a semi-solid.)


My negative experience with CHPWS was trying to use one of their polymer plates. Due to inexperience on my part, I slightly overtorqued the plate to slide screws on install. Before I realized it, I had destroyed the material that makes up the very thin 45 degree mounting chamfer, rendering the plate useless. Cost me $70 to learn this lesson. I ended up throwing it away.

From that point, I bought steel Forward Controls OPF-G, RMR plates. I have two of them; one on a G34 MOS and one most recently on my G19 MOS I bought in July. The plate is extremely well engineered, made of nitrided steel, and the fit is tight and secure, even without the screws. I've got less than 1,000 rounds through, but so far knock on wood, have seen no movement of the witness marks on either two HS 507c's.

I don't know if the FC plate is an option for you, but might be an alternative.

[RJ]

Ladies and gentlemen, do you think the 509T-RD on sale at C&H is worth giving it a shot for a new Red dot shooter?
@$289.95, I thought it could be worth testing until the ACRO P2 and 509T X2 come out. TIA

https://chpws.com/product/holosun-509t-rd

Given the expectation of an "X2" model coming out soon, I'm not sure why it would make sense to buy one of these, price notwithstanding.

I'd rather have an open emitter X2 e.g. 507c for now, for practice; you could sell it later if you chose. If you bought a 509T X1 now, and the X2 came out, the value of that earlier model 509T would be a bit (possibly quite a bit?) less than a 507c X2, I would think.

There's also the question of users reporting distortion issues with the X1 (which is improved with the X2, from the other thread.) So if you buy an X1, and you have problems, that may not be what you want for a first time MRDS experience.

It's a smokin' deal though, that's for sure.

[ssb]

The other day I looked through the optic on my carry gun (507K-GR X2) and noted the reticle was obviously off zero. I confirmed this with a boresighter. The witness marks on the optic had not moved. I have no obvious explanation, though the holstered gun did take a spill onto wood flooring from about 3ft this week.

In retrospect, the optic required more vetting than I gave it. Previous K series dots have given me no issues whatsoever.

Holosun sent me a shipping label six minutes after I sent in the customer service request.

[1Rangemaster]

I have had a 509T on a department gun(G45) for over a year. No issues yet at approximately 2,000 rounds. Some glass distortion noted in sample of one when looking at the glass, not noted as a problem in shooting. Running on dot only, qualified with it, drills in training and a match or two. I am partial to enclosed emitters, run a P-1 ACRO on a 19MOS, but appreciate the power saving of the Holosun. Mine mounted on a C&H plate-good experience with that company.
If I were in the market now, especially if I were considering exploring the “dot life”, this seems like a good deal.
If you’re going to carry it, get back up sights-Ameriglo; I say that about ANY optic.

[D-der]

The other day I looked through the optic on my carry gun (507K-GR X2) and noted the reticle was obviously off zero. I confirmed this with a boresighter. The witness marks on the optic had not moved. I have no obvious explanation, though the holstered gun did take a spill onto wood flooring from about 3ft this week.

In retrospect, the optic required more vetting than I gave it. Previous K series dots have given me no issues whatsoever.

Holosun sent me a shipping label six minutes after I sent in the customer service request.

Could I inquire on an approximate age and round count ?
I'd had a new 407C with under 500rds louse zero a few months ago, shipping label response was similar to yours...
I had a replacement in 2 weeks, I'm on the east coast, they're on the left coast, pretty decent cs

[ssb]

Could I inquire on an approximate age and round count ?
I'd had a new 407C with under 500rds louse zero a few months ago, shipping label response was similar to yours...
I had a replacement in 2 weeks, I'm on the east coast, they're on the left coast, pretty decent cs

400 rounds plus whatever I used in HSTs to zero it, purchased new at the beginning of July.

[D-der]

400 rounds plus whatever I used in HSTs to zero it, purchased new at the beginning of July.

Thanks,
Odd coincience, real close round count to the
407C that took a dump on me

[CakeEater]

Thanks to all for the 509T advice, next host options. I was planning on getting the USP45 milled by Wright Armory but am contemplating the G15 Gen5 MOS and S&W M&P9 Compact optic ready.

[MikeyCNY]

Thanks to all for the 509T advice, next host options. I was planning on getting the USP45 milled by Wright Armory but am contemplating the G15 Gen5 MOS and S&W M&P9 Compact optic ready.

I picked up an M&P 2.0 Compact Optics Ready* and a CHPWS plate for a 509t - right now I'm just waiting for the 509t-GR(een) to become available... I have a 510c in green on a rifle and a 507k in red (first version) on a 365XL. I'm liking the green and might upgrade the 507k eventually.

* - I have an M&P 2.0 Compact non-optics already that I really love, thought about having it milled but decided to just get a new model to save money on milling and sights (optics ready comes with tall sights already, though 3-dot white).

[Adam]

I'm pondering a 507c-x2 on an optics ready S&W M&P 2.0 Compact as an inexpensive "plug & play" RDS option.
I was thinking the C&H plate would be the way to mount, but I'm not reading good things here.
What would be a better alternative?

I have a similar setup as does GJM and others. C&H has their quirks but their M&P 507 plate is good to go IMO.

[Nephrology]

Crossposting from the Glock photo thread, but here are a few of my holosun equipped handguns, with RMR equipped pair to match

https://i.imgur.com/9VZxRv0.jpg

[MikeyCNY]

Crossposting from the Glock photo thread, but here are a few of my holosun equipped handguns, with RMR equipped pair to match

https://i.imgur.com/9VZxRv0.jpg

I take it you like Glocks? :D

76265

I have a Greyguns aftermarket frame on it now, don't have a pic handy.

[Nephrology]

I take it you like Glocks? :D

76265

I have a Greyguns aftermarket frame on it now, don't have a pic handy.

Just like Apple stuff, I ended up in an ecosystem and haven't really found a reason to leave ... all the plastic guns are basically the same to me anyway.

[jandbj]

7626776268
365x is definitely in the running to replace the 43 in the pic as my regular carry gun. And the holosun really adds to the fun.

[CakeEater]

Given the expectation of an "X2" model coming out soon, I'm not sure why it would make sense to buy one of these, price notwithstanding.

I'd rather have an open emitter X2 e.g. 507c for now, for practice; you could sell it later if you chose. If you bought a 509T X1 now, and the X2 came out, the value of that earlier model 509T would be a bit (possibly quite a bit?) less than a 507c X2, I would think.

There's also the question of users reporting distortion issues with the X1 (which is improved with the X2, from the other thread.) So if you buy an X1, and you have problems, that may not be what you want for a first time MRDS experience.

It's a smokin' deal though, that's for sure.

RJ, thanks again and here’s a heads up from the 509T x2 thread. I’m taking the plunge and will test with the first Gen. picked up the 509T from Battlehawk Armory for $265 delivered.

https://www.battlehawkarmory.com/product/holosun-titianium-2moa65moa-red-dot#product_detail

[MikeyCNY]

I would say yes with the only caveat being my C&H plate is a piece of garbage. I cannot get my 509 to stay mounted to this thing.

The first time, the optic loosened from the plate with proper application of vibrate VC3.

The second time, the plate screws became loose once again after properly degreasing, applying vibratite and torqueing the screws.

The third time, the optic came loose from the plate...again. Once again, properly degreased, vibratited and torqued.

The plate itself is too soft and once you go over 12 inch lbs, you can see the plate torquing upwards, ie bending. At 12 inch lbs, the optic will not stay on the gun. I'm not sure what to do at this point.

Magsz any update to your issues? I put a Holosun 509t-Rd (Gen 1, until the Gr is available) on an S&W M&P 2.0 Compact Optics Ready, with a CHPWS 509t plate. Used the supplied VC3 to mount, using a Wheeler torque wrench (little over 10 inch-lbs for the plate per CHPWS instructions, 20 inch-lbs for the optic itself) and allowed to cure ~4 days until shooting.

Took it to the range last night, after 120 rounds the plate was loose. Wasn't dropped at all, though I did rack the slide using the optic a few times.

Tonight I removed the optic and plate and used acetone to clean all areas (and soak the screws); this time I used Loctite 248 Glue Stick per recommendation above. Hoping this fixes it; I've heard great things about the CHPWS plates.

[newyork]

Is there a quality optic plate maker alternative to c&h? Particularly for the 2.0 m&P core? Is there an issue with core plates that make aftermarket necessary or is it just they don’t make a 509t plate?

[OldRunner/CSAT Neighbor]

Is there a quality optic plate maker alternative to c&h? Particularly for the 2.0 m&P core? Is there an issue with core plates that make aftermarket necessary or is it just they don’t make a 509t plate?

Both sets of OEM plates that came w/ my gen2 CORE's were plastic vs the metal ones that came w/ my gen1 CORE in 2012. In my sample of 2 CHWS plates for my gen2's w/ SROs, they have been GTG w/ 1K of rds. to date.

[newyork]

Both sets of OEM plates that came w/ my gen2 CORE's were plastic vs the metal ones that came w/ my gen1 CORE in 2012. In my sample of 2 CHWS plates for my gen2's w/ SROs, they have been GTG w/ 1K of rds. to date.

Maybe it’s just the 509 plates?

[23JAZ]

I’ve tried a plate. I tried a direct mill from Legion Precision with a .150” depth of cut. But damn, the milled down 48 MOS rear posts direct mount view is the best so far. I don’t think you can get an aftermarket cut as deep as the MOS cut.
76902

[Magsz]

Magsz any update to your issues? I put a Holosun 509t-Rd (Gen 1, until the Gr is available) on an S&W M&P 2.0 Compact Optics Ready, with a CHPWS 509t plate. Used the supplied VC3 to mount, using a Wheeler torque wrench (little over 10 inch-lbs for the plate per CHPWS instructions, 20 inch-lbs for the optic itself) and allowed to cure ~4 days until shooting.

Took it to the range last night, after 120 rounds the plate was loose. Wasn't dropped at all, though I did rack the slide using the optic a few times.

Tonight I removed the optic and plate and used acetone to clean all areas (and soak the screws); this time I used Loctite 248 Glue Stick per recommendation above. Hoping this fixes it; I've heard great things about the CHPWS plates.

Nothing of value unfortunately. I ended up going through my install process again but I was shooting a different gun on my last range trip so I can't really say if the darned thing is solid. I'll update accordingly after my next range trip if it fails. If it fails I am going to switch tactics and go to 248.

[Lon]

Was helping one of our armorers mount a 507c today on a Gen 5 17MOS and the dot was intermittent. Very dim, then brighten a bit, then shut off. New battery did not fix anything. So it’ll have to go back. The Officer will be borrowing my RMR in the meantime.

[SoCalDep]

Was helping one of our armorers mount a 507c today on a Gen 5 17MOS and the dot was intermittent. Very dim, then brighten a bit, then shut off. New battery did not fix anything. So it’ll have to go back. The Officer will be borrowing my RMR in the meantime.

Just for perspective, did you/they try switching the mode to see if it was in auto-adjust?

[Lon]

Just for perspective, did you/they try switching the mode to see if it was in auto-adjust?

I did. Lighting never changed and I watched it just change back and forth between dim, a little brighter and then off while I was holding it in my hand.

[Clusterfrack]

I'm still hesitantly approaching a RDS for a carry/defense gun. Between the 507c x2 and the RMR2, which to choose?

It seems like the RMR2 has the edge on reliability and longevity? On the other hand, the Holosuns do not need to be removed from the plate for battery changes, and that seems like a big advantage. Reticle choice on the Holosun is an added feature, but not something I care about.

[1Rangemaster]

I'm still hesitantly approaching a RDS for a carry/defense gun. Between the 507c x2 and the RMR2, which to choose?

It seems like the RMR2 has the edge on reliability and longevity? On the other hand, the Holosuns do not need to be removed from the plate for battery changes, and that seems like a big advantage. Reticle choice on the Holosun is an added feature, but not something I care about.

RMR2 is pretty bombproof. The Holosun single lens units(507/508) are really good too and I think the battery change is not a really big deal. If you like the convenience of the Holosun battery tray, have at it. The RMR2 has been extensively tested by US military,etc.
The Holosun has a little more “friendly” window.
Trade offs with all of them.
And I’m in the enclosed emitters camp, FWIW.

[Default.mp3]

I'm still hesitantly approaching a RDS for a carry/defense gun. Between the 507c x2 and the RMR2, which to choose?

It seems like the RMR2 has the edge on reliability and longevity? On the other hand, the Holosuns do not need to be removed from the plate for battery changes, and that seems like a big advantage. Reticle choice on the Holosun is an added feature, but not something I care about.I have heard Steve Fisher say specifically that in his personal experiences, his RMR Type 2s have had a higher failure rate than his Holosuns when used on pistols.

Just a single, albeit notable, anecdote. I personally would still get an RMR, because fuck Holosun, but that's a personal choice that's also colored by the fact that I never had any issues with my RMR Type 1s that couldn't be fixed with a fresh battery.

[Clusterfrack]

RMR2 is pretty bombproof. The Holosun single lens units(507/508) are really good too and I think the battery change is not a really big deal. If you like the convenience of the Holosun battery tray, have at it. The RMR2 has been extensively tested by US military,etc.
The Holosun has a little more “friendly” window.
Trade offs with all of them.
And I’m in the enclosed emitters camp, FWIW.

Thanks. And I agree about enclosed. I just don’t see one that fits on a P-07, with BUIS.

[Lon]

I'm still hesitantly approaching a RDS for a carry/defense gun. Between the 507c x2 and the RMR2, which to choose?

It seems like the RMR2 has the edge on reliability and longevity? On the other hand, the Holosuns do not need to be removed from the plate for battery changes, and that seems like a big advantage. Reticle choice on the Holosun is an added feature, but not something I care about.

No SRO?

[Clusterfrack]

No SRO?

I now have one on my Carry Optics Shadow2. So far so good on that. But the SRO's a little big for a carry gun. Mixed opinions on battery life as well.

[GJM]

I now have one on my Carry Optics Shadow2. So far so good on that. But the SRO's a little big for a carry gun. Mixed opinions on battery life as well.

While I am not suggesting a SRO for carry, it's mass is at the front lens so it carries as well as an RMR. Plus, it's battery lasts longer than a P1 Acro. :confused:

[Lon]

I now have one on my Carry Optics Shadow2. So far so good on that. But the SRO's a little big for a carry gun. Mixed opinions on battery life as well.

I just put an SRO on my comped G26 and haven’t noticed it being any bigger.

77084

[23JAZ]

507K direct mount to a G48 MOS. Ameriglo rear sight came in. I like the view! Might have to put some black sharpie over the rear.
7732977330

[Clusterfrack]

Is the built-in rear sight on the 507K useful?

[RJ]

Is the built-in rear sight on the 507K useful?

Ish.

I’d put it in ‘better than nothing” category, but if you prefer a good solid rear sight notch it’s a bit short of that. But it is definitely useable. I’ll go see if I have a picture of my (sold) G48.

[23JAZ]

Is the built-in rear sight on the 507K useful?
Not IMO.

[23JAZ]

Is the built-in rear sight on the 507K useful? Clusterfrack All but completely useless I think.
7733777338

[RJ]

I’ll go see if I have a picture of my (sold) G48.

I forget what front sight I had, but it shot to POA with GD 124+p (when it didn't nose dive, that is.). Optic was direct milled and mounted by Primary Machine just before they stopped offering that service, and I opted to have the rear sight cut incorporated into the optic because I was using a 507k.

77341

[GJM]

Is the built-in rear sight on the 507K useful?

When I tested the K's rear sight on a 365, I was able to keep all my shots at 20 yards on a USPSA head box.

[OldRunner/CSAT Neighbor]

When I tested the K's rear sight on a 365, I was able to keep all my shots at 20 yards on a USPSA head box.

Received my GR K Fri, are you still using one on an EDC (Shield+) slim line?

[GJM]

Received my GR K Fri, are you still using one on an EDC (Shield+) slim line?

Not sure I exactly understand the question, but I have one Plus set up with a RMSc and another with a 507K. Both have conventional rear sights.

[David S.]

I haven't followed this thread closely, so I apologize if this has been covered.

I picked up a 509T with an RMR adapter plate, dry fit it on the gun, and decided it's too tall. The base completely obscures the BUIS I had on there, so those would have to get replaced if I kept it. Here's the side by side, in case anyone's interested.

Not a huge surprise, but I was hoping it would be closer.

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[Lon]

Do you have a set of micrometers? The CHPWS plate is .095-.099 thick. My factory Holosun adapter plate is .185 thick. So CHPWS should cut the height by almost half.

https://chpws.com/product/rmr-to-holosun-509t

[1911Nut]

Received my Glock G43 back from Jagerwerks a couple of days ago, about 4 weeks ahead of delivery forecast. I sent a very lightly used Holosun 407K to them along with the Glock in early July with instructions to mill the slide, install the Holosun, install BUIS, and refinish the slide in black nitride.

Workmanship is impeccable, BUIS co-witness and are very usable without being too tall, and I am quite pleased.

Got it sighted in today, using a mix of factory FMJ's, factory JHP's, and a hand load of Montana Gold JHP's (all 124 gr.)

Using an IDPA target, and shooting only at the head box at 15 measure yards, I alternated between shooting with the dot on and then turning it off and using the BUIS. Very consistent, and I think I will be comfortable using this pistol with the Holosun installed, and really like the fact that a transition to the BUIS works so well.

Full up with 6 +1 pf the aforementioned 124 gr. ammo, the package weighs 21.7 ounces. Will definitely be my NPE pistol going forward.


77969

[MikeyCNY]

Crosspost from here (https://pistol-forum.com/showthread.php?49439-Department-Issue-Authorized-RDS&p=1274422&viewfull=1#post1274422) -



Update to my previous loose 509t plate issue - I stripped the VC3 off the screws and used the Loctite "glue stick" (blue 248). After 180 rounds today and racking the slide with the optic several dozen times it is not loose at all. (neither the optic NOR the plate) So yay!

On a related note, I was shooting back and forth between my M&P 2.0 Compact w/ 509t and my usual carry gun, a SIG P365XL w/ 507k, when I noticed the screw for the battery tray on my 507k was missing. Since I was shooting in grass there was no way I was going to find that little screw, and I didn't find extras in the Holosun packaging. (the gasket around the tray prevented it from falling out) Since the 365 is my carry pistol I used the screw from the 509t and contacted Holosun; they've already asked for my shipping address. I tried finding the screw online first.. might be in one of the Holosun optic threads. Might be a good idea to stock up on a few.





Magsz any update to your issues? I put a Holosun 509t-Rd (Gen 1, until the Gr is available) on an S&W M&P 2.0 Compact Optics Ready, with a CHPWS 509t plate. Used the supplied VC3 to mount, using a Wheeler torque wrench (little over 10 inch-lbs for the plate per CHPWS instructions, 20 inch-lbs for the optic itself) and allowed to cure ~4 days until shooting.

Took it to the range last night, after 120 rounds the plate was loose. Wasn't dropped at all, though I did rack the slide using the optic a few times.

Tonight I removed the optic and plate and used acetone to clean all areas (and soak the screws); this time I used Loctite 248 Glue Stick per recommendation above. Hoping this fixes it; I've heard great things about the CHPWS plates.

[Unobtanium]

I haven't followed this thread closely, so I apologize if this has been covered.

I picked up a 509T with an RMR adapter plate, dry fit it on the gun, and decided it's too tall. The base completely obscures the BUIS I had on there, so those would have to get replaced if I kept it. Here's the side by side, in case anyone's interested.

Not a huge surprise, but I was hoping it would be closer.

77858

Do you or anyone have a photo of a 508T or 507c next to an RMR like this? My curiosity: Which shows MORE of the irons through the window, or are they 100% equal or something stupid like 0.001" different?

[Unobtanium]

My Leupold DPP NV and T2 glass are invisible under night vision except for the dot. Any lighting conditions from no-moon/stars to of course full moon. How do Holosun stack up under night vision?
78192

[Nephrology]

Received my Glock G43 back from Jagerwerks a couple of days ago, about 4 weeks ahead of delivery forecast. I sent a very lightly used Holosun 407K to them along with the Glock in early July with instructions to mill the slide, install the Holosun, install BUIS, and refinish the slide in black nitride.

Workmanship is impeccable, BUIS co-witness and are very usable without being too tall, and I am quite pleased.

Got it sighted in today, using a mix of factory FMJ's, factory JHP's, and a hand load of Montana Gold JHP's (all 124 gr.)

Using an IDPA target, and shooting only at the head box at 15 measure yards, I alternated between shooting with the dot on and then turning it off and using the BUIS. Very consistent, and I think I will be comfortable using this pistol with the Holosun installed, and really like the fact that a transition to the BUIS works so well.

Full up with 6 +1 pf the aforementioned 124 gr. ammo, the package weighs 21.7 ounces. Will definitely be my NPE pistol going forward.


77969

I have a very similar gun from them myself!! Great combo

[David S.]

Do you or anyone have a photo of a 508T or 507c next to an RMR like this? My curiosity: Which shows MORE of the irons through the window, or are they 100% equal or something stupid like 0.001" different?

Looks like "something stupid like 0.01 difference."

Without the adapter plate, the body of the 509T and the 507C are also about the same height.

78198

[RJ]

So I think what I will do is shoot the current setup for a while while I continue to vet the gun, then if the Ameriglos perform ok (mainly don't walk out of the rear dovetail, as I've heard some make mention of) I'll order a set of the GL-470s and stick them on.


And so the GL-470 set arrived today. Bearing in mind I have the photographic skill of a ham sandwich, below are pictures of the before and after, including the spreadsheet numbers for each, in case they are of use to someone else.

Ameriglo GL-404 rear sight, Dawson 0.315" front sight:
78379

78381



Ameriglo GL-470 sight set:
78380

78382

Subjectively, the GL-470 set appears to have addressed what I wanted; a BUIS for my carry gun which is visible in the window. The 0.350" front seems to work well with the FC OPF-G, RMR plate and Holosun 507c on my stock G19 Gen 5 MOS. And now the rear sight channel is above the optic, not below (deck height is 0.250".)

Will get to the range soon to check zero after the R/R of the optic, and verify POA using carry ammo.

[stinx]

I just sent back a brand new Holosun 509T. My issue was at 25 yards with the elevation screw bottomed out the gun shot 4-5 inches high. MIne was mounted on a Glock 45 with a C&H precision plate. YMMV. in reading the specs for the optic it states it has 30 clicks of adjustment, most other Holosun have 50 clicks of adjustment.

[RJ]

Just wanted to pass on an unsettling experience today with the 507c on my G19 MOS and how it got resolved.

I met up with my son at a local outdoor range. When I looked through the optic, I noticed a lot of misregistration of the 32 MOA Circle. It was very fuzzy and wavy, like broken up around the edges. I shot it ok but it was less than ideal.

When I got home, it was the same. I cleaned the glass both sides and swapped it to circle, circle dot, and dot with no success. I was thinking geez I need to send this back to Holosun, when it occurred to me, maybe I should clean the emitter?

Sure enough, I wet a Q-tip with lens cleaner and found a layer of Schmutz on the surface. After I got it cleaned, normal operation of the reticle was restored and it was back to being a very crisp circle.

I don’t know why, but it’s never occurred to me to clean the emitter. Maybe I got some oil on it and it collected some gunshot residue? Just thought I would pass on in case someone encounters this condition.

PS the new BUIS shot to POA with BB124/HST147/GD124+p.

[GJM]

Just wanted to pass on an unsettling experience today with the 507c on my G19 MOS and how it got resolved.

I met up with my son at a local outdoor range. When I looked through the optic, I noticed a lot of misregistration of the 32 MOA Circle. It was very fuzzy and wavy, like broken up around the edges. I shot it ok but it was less than ideal.

When I got home, it was the same. I cleaned the glass both sides and swapped it to circle, circle dot, and dot with no success. I was thinking geez I need to send this back to Holosun, when it occurred to me, maybe I should clean the emitter?

Sure enough, I wet a Q-tip with lens cleaner and found a layer of Schmutz on the surface. After I got it cleaned, normal operation of the reticle was restored and it was back to being a very crisp circle.

I don’t know why, but it’s never occurred to me to clean the emitter. Maybe I got some oil on it and it collected some gunshot residue? Just thought I would pass on in case someone encounters this condition.

PS the new BUIS shot to POA with BB124/HST147/GD124+p.

Good report and reinforces two things, the emitter is part of the system and can require cleaning just like the lens, and if you are target focused, a clean lens and crisp dot are overrated. Stoeger commented that he purposely didn't clean the lens of his SRO on his CO Glock for months, and his lens looked like you would expect considering.

[Steve m]

Does anyone know the size of the screw that holds the battery compartment for the 507C series?

Thanks in advance
Steve

[boing]

Does anyone know the size of the screw that holds the battery compartment for the 507C series?

Thanks in advance
Steve

On my 508T it’s M2x0.4. It measures 4.5mm long, but the tapped hole is deep enough for a 5mm screw with the battery cover in place.

[Steve m]

@ Boing,

Thanks for the info

[GJM]

I have been messing around with a 407 CO with the open center 8 moa dot. It seems to work well in low sun angles, just like the 32 moa circle only reticle!

[joshs]

I have been messing around with a 407 CO with the open center 8 moa dot. It seems to work well in low sun angles, just like the 32 moa circle only reticle!

I like the 407CO reticle quite a lot. I'd really like a 509T with the 8 moa donut.

[MVS]

I have been messing around with a 407 CO with the open center 8 moa dot. It seems to work well in low sun angles, just like the 32 moa circle only reticle!

Our LGS had a bunch of those on the bottom counter and I was wondering about them.

[davisj]

Anyone know the appropriate height front and rear buis for a lower 1/4 sight picture (would settle for lower 1/3) for a Maple Leaf cut on a G45 slide for a 509T? I emailed Maple Leaf last week, no reply. I’d prefer not going with suppressor height if I can avoid it.

[RJ]

Anyone know the appropriate height front and rear buis for a lower 1/4 sight picture (would settle for lower 1/3) for a Maple Leaf cut on a G45 slide for a 509T? I emailed Maple Leaf last week, no reply. I’d prefer not going with suppressor height if I can avoid it.

Kinda depends on the depth of the Mapleleaf cut. If you knew that, you could make an estimate, based on the optic body height?

79422

[DMCutter]

The shake awake on my year and a half old V1 507k on my P365 stopped working last week. I emailed Holosun last Wednesday and had a prepaid priority mail shipping label 2 hours later. I had it in the mail Thursday. Just got an email saying my replacement is shipping back priority mail, so less than a week after it got back to them. I hadn't even registered it for the warranty when I got it because I never get around to doing that kind of thing, so I'm especially impressed.

[OldManClemens]

Can anyone offer any advice on the Holosun 507C X2 vs. HE508T X2 for shotgun? Wondering which would be the best choice between these two to mount to a Beretta 1301 with an Aridus CROM mounting plate.

On paper the features between the two look essentially identical; same features, same battery life, same reticles, same operation/buttons function, etc. Only real difference seems to be the titanium housing on the 508 compared to the aluminum housing on the 507 along with a $60 increase in price for the 508. the top/done of the optics are different with the 507 having a domed top and the 508 having a flat top. The 508 also has more subdued graphics on the side when compared to the 507.

Are there any other differences between the newest versions of the 507 and 508 aside from aesthetics and the aluminum vs titanium housings? Does the titanium housing make this optic even more durable when it comes to mounting it on a semi-automatic shotgun?

[JCN]

Can anyone offer any advice on the Holosun 507C X2 vs. HE508T X2 for shotgun? Wondering which would be the best choice between these two to mount to a Beretta 1301 with an Aridus CROM mounting plate.

On paper the features between the two look essentially identical; same features, same battery life, same reticles, same operation/buttons function, etc. Only real difference seems to be the titanium housing on the 508 compared to the aluminum housing on the 507 along with a $60 increase in price for the 508. the top/done of the optics are different with the 507 having a domed top and the 508 having a flat top. The 508 also has more subdued graphics on the side when compared to the 507.

Are there any other differences between the newest versions of the 507 and 508 aside from aesthetics and the aluminum vs titanium housings? Does the titanium housing make this optic even more durable when it comes to mounting it on a semi-automatic shotgun?

I like the 510 for long guns. Nice, big window.

[HeavyDuty]

Are any specific retailers known for Holosun deals? I’m looking for a HE503CU-GR, and the best price I’m finding so far is about $250 shipped.

[OldManClemens]

Are any specific retailers known for Holosun deals? I’m looking for a HE503CU-GR, and the best price I’m finding so far is about $250 shipped.

I'd be interested this as well, also keeping in mind it's the holiday season, there are obviously supply chain issues with many things currently, and we'll be experiencing more and more shipping delays moving forward so with all that said I have tended as of late to jump onto something if it's exactly what I want and it's in stock because I may not have that opportunity in a day or so. So if it means spending a couple bucks more to get what I want now I can rationalize it.

[Tokarev]

The shake awake on my year and a half old V1 507k on my P365 stopped...

Quit working as in optic wouldn't turn off or optic wouldn't turn on.

And a related question. Do all the Holosun sights have the option to shut the motion sensor/auto shutdown off?

Sent from my SM-G970U using Tapatalk

[DMCutter]

Quit working as in optic wouldn't turn off or optic wouldn't turn on.

And a related question. Do all the Holosun sights have the option to shut the motion sensor/auto shutdown off?

Sent from my SM-G970U using Tapatalk
It would go to sleep and not turn on again unless I pushed a button. I changed sleep time between 10 minutes and 2 hours and that was functional. This particular optic had exhibited the same behavior some time back but it cleared up on its own the first time, so I guess it's always been defective. I'll have the replacement tomorrow, hopefully it will be GTG.

[Tokarev]

It would go to sleep and not turn on again unless I pushed a button. I changed sleep time between 10 minutes and 2 hours and that was functional. This particular optic had exhibited the same behavior some time back but it cleared up on its own the first time, so I guess it's always been defective. I'll have the replacement tomorrow, hopefully it will be GTG.Did you try it with the auto function turned completely off?

Sent from my SM-G970U using Tapatalk

[DMCutter]

Did you try it with the auto function turned completely off?

Sent from my SM-G970U using Tapatalk
The first go round I turned the auto function off and manually turned the sight off at night and on in the morning. This time I said f it and switched to my back up EDC.

[pastaslinger]

Can anyone offer any advice on the Holosun 507C X2 vs. HE508T X2 for shotgun? Wondering which would be the best choice between these two to mount to a Beretta 1301 with an Aridus CROM mounting plate.

On paper the features between the two look essentially identical; same features, same battery life, same reticles, same operation/buttons function, etc. Only real difference seems to be the titanium housing on the 508 compared to the aluminum housing on the 507 along with a $60 increase in price for the 508. the top/done of the optics are different with the 507 having a domed top and the 508 having a flat top. The 508 also has more subdued graphics on the side when compared to the 507.

Are there any other differences between the newest versions of the 507 and 508 aside from aesthetics and the aluminum vs titanium housings? Does the titanium housing make this optic even more durable when it comes to mounting it on a semi-automatic shotgun?


I like the 510 for long guns. Nice, big window.

Between the 507c and 508t I would take the 508t which I have multiple of, and am happy with despite paying more than what they are selling for now.

If it's a long gun though, I would rather have the 510c like mentioned because the sight is probably a little more durable and cheaper. It is aluminum bodied with a titanium shroud, and happens to be my favorite red dot including against my Aimpoint.


Are any specific retailers known for Holosun deals? I’m looking for a HE503CU-GR, and the best price I’m finding so far is about $250 shipped.


I'd be interested this as well, also keeping in mind it's the holiday season, there are obviously supply chain issues with many things currently, and we'll be experiencing more and more shipping delays moving forward so with all that said I have tended as of late to jump onto something if it's exactly what I want and it's in stock because I may not have that opportunity in a day or so. So if it means spending a couple bucks more to get what I want now I can rationalize it.

There's a number of sellers that offer discounted Holosuns and an easy place to check is the gundeals Reddit page. Some off the top of my head include midwest optics, Schuyler arms, and Kenzie's.

[OldManClemens]

Between the 507c and 508t I would take the 508t which I have multiple of, and am happy with despite paying more than what they are selling for now.

If it's a long gun though, I would rather have the 510c like mentioned because the sight is probably a little more durable and cheaper. It is aluminum bodied with a titanium shroud, and happens to be my favorite red dot including against my Aimpoint.





There's a number of sellers that offer discounted Holosuns and an easy place to check is the gundeals Reddit page. Some off the top of my head include midwest optics, Schuyler arms, and Kenzie's.

Appreciate the feedback. Why is it that in particular you prefer on the 508 over the 507?

[GearFondler]

Just to note: The 510C looks like a great rifle sight but it won't work with the CROM on a 1301T. You would have to pic rail mount it, add the Magpul SGA and the cheek riser, plus lose the ability to cowitness with the irons.

[OldManClemens]

Just to note: The 510C looks like a great rifle sight but it won't work with the CROM on a 1301T. You would have to pic rail mount it, add the Magpul SGA and the cheek riser, plus lose the ability to cowitness with the irons.

I have the 510C on an AR and it's a great sight, but wouldn't want to mount it on a shotgun for the reasons you mentioned. Even with the SGA stock and riser that's a fairly clunky sight and could see it getting in the way when reaching over the top of the shotgun and loading a single shell into the receiver.

[pastaslinger]

Appreciate the feedback. Why is it that in particular you prefer on the 508 over the 507?

The 508T is more durable and I like the more squared profile.


Just to note: The 510C looks like a great rifle sight but it won't work with the CROM on a 1301T. You would have to pic rail mount it, add the Magpul SGA and the cheek riser, plus lose the ability to cowitness with the irons.

I run the 510c on a Ruger PCC which has shotgun ergos with the factory stock. The added height over bore allows a more upright shooting position and it similarly does not allow cowitness which I was concerned with at first, then realized that the QD on the 510c works pretty well. I have a bunch of holosun T1/T2 clones and could easily put one on that would cowitness with the irons but would rather have the large window and simple ability to QD the 510c.

[GearFondler]

I run the 510c on a Ruger PCC which has shotgun ergos with the factory stock. The added height over bore allows a more upright shooting position and it similarly does not allow cowitness which I was concerned with at first, then realized that the QD on the 510c works pretty well. I have a bunch of holosun T1/T2 clones and could easily put one on that would cowitness with the irons but would rather have the large window and simple ability to QD the 510c.

Sounds like you have a solution that works for you. But I'll add that with the 1301T in particular, one additional problem with using the 510C in particular would be the picatinny rail itself. The weight of the 510C combined with the Pic rail only being attached with a few screws combined with 12g recoil is going to equal failure at some point. Yes, people have already had rail failure with smaller RDS, usually because the screws break... 12g recoil is brutal on equipment.

[JCN]

Sounds like you have a solution that works for you. But I'll add that with the 1301T in particular, one additional problem with using the 510C in particular would be the picatinny rail itself. The weight of the 510C combined with the Pic rail only being attached with a few screws combined with 12g recoil is going to equal failure at some point. Yes, people have already had rail failure with smaller RDS, usually because the screws break... 12g recoil is brutal on equipment.

I’m not familiar with that firearm but I would personally drill and tap larger screws and add more to distribute force.

This would also be a prime usage of E6000 layered to distribute force and shock.

[HeavyDuty]

There's a number of sellers that offer discounted Holosuns and an easy place to check is the gundeals Reddit page. Some off the top of my head include midwest optics, Schuyler arms, and Kenzie's.

That’s where I was looking, and found the $250ish shipped price. I think I may wait and see if anything pops up for Black Friday.

[M1Garand]

Gave the bottom of the operating range a try today. Let it sit outside for about 50 min while I walked the pup. Shake Awake worked. I was surprised the buttons were not stiff as I scrolled thru power setting and dot-circle modes. Cant say the same about buttons on a Sat phone or GPS. Shot 13 rds let it set while I picked up brass then another mag. Sight never fogged up until I came in, (didn't shoot inside) but no issue's sighting with both eyes open.
802048020580206

[GJM]

Show off!

[D-der]

Pretty cool...
Almost painfull

[SoCalDep]

Rad!!!

I’ve done -19 (I think) to around 90 but to see it function at that temp for that time is something cops in cold places want to see. Keep that stuff coming!!!

[D-der]

I was shooting some 3 yd Eleanore drill's yesterday,
1/2 way through the 2nd mag my hit's were low,
thinking it was just me screwing up on hold over, I
took some shots at a 25 yd plate and shot under,
I checked and all witness marks were on the money
so I moved up to 15 yd's and all were low.
I went back and shot paper at 7 yds to find poi was
4.5" low.
It just so happens, I'd received a call a couple hrs earlier,
a 507K I'd ordered with a lgs 10 days ago is in.
This one has 3500 +/- rds and is my second Holosun
Holosun in 6 or so months to take a dump, the first was
a 407C VII that lost zero in the first few hundred rds.
I know their customer service is very good and it'll be
promptly taken care of but, it doesn't instill a lot of
confidence for daily carry.

[GJM]

I was shooting some 3 yd Eleanore drill's yesterday,
1/2 way through the 2nd mag my hit's were low,
thinking it was just me screwing up on hold over, I
took some shots at a 25 yd plate and shot under,
I checked and all witness marks were on the money
so I moved up to 15 yd's and all were low.
I went back and shot paper at 7 yds to find poi was
4.5" low.
It just so happens, I'd received a call a couple hrs earlier,
a 507K I'd ordered with a lgs 10 days ago is in.
This one has 3500 +/- rds and is my second Holosun
Holosun in 6 or so months to take a dump, the first was
a 407C VII that lost zero in the first few hundred rds.
I know their customer service is very good and it'll be
promptly taken care of but, it doesn't instill a lot of
confidence for daily carry.

Were both these optics that lost zero on the same slide and is it a plate or direct mill installation? While I have had Holosun optics break, I have never had a Holosun lose zero.

[D-der]

Were both these optics that lost zero on the same slide and is it a plate or direct mill installation? While I have had Holosun optics break, I have never had a Holosun lose zero.

The 407C was on a Primary Machine direct mill M&P 2.0C, optic sent in
with slide and installed by PM, POI went 5" high and a couple " right.
The 407K is on a 365XL installed by myself, proper torque, blue Loc Tite,
both optic's had paint witness marks on the mounting and adjustment screws,
none of which had moved.
Both sights had some adjustment after loosing zero, although not nearly enough
to compensate for the loss, not that I would consider that optic for carry or run
an optic at the very outside of adjustment for other than fun.

[MVS]

I was shooting some 3 yd Eleanore drill's yesterday,
1/2 way through the 2nd mag my hit's were low,
thinking it was just me screwing up on hold over, I
took some shots at a 25 yd plate and shot under,
I checked and all witness marks were on the money
so I moved up to 15 yd's and all were low.
I went back and shot paper at 7 yds to find poi was
4.5" low.
It just so happens, I'd received a call a couple hrs earlier,
a 507K I'd ordered with a lgs 10 days ago is in.
This one has 3500 +/- rds and is my second Holosun
Holosun in 6 or so months to take a dump, the first was
a 407C VII that lost zero in the first few hundred rds.
I know their customer service is very good and it'll be
promptly taken care of but, it doesn't instill a lot of
confidence for daily carry.

In 11 years and well in excess of 100,000 rds of shooting slide mounted red dots, I have never had one lose zero. HOWEVER, at a recent Dave Spaulding class I attended he said he has seen it happen and had it happen to him. Furthermore he says that is his biggest hang up with the MRDS.

[GJM]

In 11 years and well in excess of 100,000 rds of shooting slide mounted red dots, I have never had one lose zero. HOWEVER, at a recent Dave Spaulding class I attended he said he has seen it happen and had it happen to him. Furthermore he says that is his biggest hang up with the MRDS.

As another current thread reminds us, iron sights also occasionally lose zero. A serious red dot shooter should own a Wheeler laser bore sighted, or equivalent. We use ours almost daily, between mounting and check optics. The Wheeler gets us within an inch or two at 25 yards, and quickly shows if a zero has gone awry.

[D-der]

As another current thread reminds us, iron sights also occasionally lose zero. A serious red dot shooter should own a Wheeler laser bore sighted, or equivalent. We use ours almost daily, between mounting and check optics. The Wheeler gets us within an inch or two at 25 yards, and quickly shows if a zero has gone awry.

I believe it was your suggestion in a thread some time ago,
I picked one up and have found it quite helpfull...
I expect to use it again this week to swap out this 407K and
again to do a battery change on a 507C VI

[D-der]

In 11 years and well in excess of 100,000 rds of shooting slide mounted red dots, I have never had one lose zero. HOWEVER, at a recent Dave Spaulding class I attended he said he has seen it happen and had it happen to him. Furthermore he says that is his biggest hang up with the MRDS.

I wish I had the same luck in Powerball!
At least if the dot goes out, you know to go to iron' s instead of... WTF after half a dozen errant rounds.

[MVS]

As another current thread reminds us, iron sights also occasionally lose zero. A serious red dot shooter should own a Wheeler laser bore sighted, or equivalent. We use ours almost daily, between mounting and check optics. The Wheeler gets us within an inch or two at 25 yards, and quickly shows if a zero has gone awry.

Not exactly losing zero, but after I got my Q5 back from Walther, the front site fell off. A few sessions later, the fiber optic fell out of it.

[HCM]

In 11 years and well in excess of 100,000 rds of shooting slide mounted red dots, I have never had one lose zero. HOWEVER, at a recent Dave Spaulding class I attended he said he has seen it happen and had it happen to him. Furthermore he says that is his biggest hang up with the MRDS.

I had that happen with my first slide mounted RMR, an RMR 07 (gen 1) on a Suarez slide.

[Caballoflaco]

I had that happen with my first slide mounted RMR, an RMR 07 (gen 1) on a Suarez slide.

On my first trip to the range with that exact combo.

[1911Nut]

As another current thread reminds us, iron sights also occasionally lose zero. A serious red dot shooter should own a Wheeler laser bore sighted, or equivalent. We use ours almost daily, between mounting and check optics. The Wheeler gets us within an inch or two at 25 yards, and quickly shows if a zero has gone awry.

GJM:

The Wheeler laser bore sighter . . . . Red or green beam? Any preference?

[OldRunner/CSAT Neighbor]

GJM:

The Wheeler laser bore sighter . . . . Red or green beam? Any preference?

and while answering this a Wheeler for our game guns or ……..

[GJM]

GJM:

The Wheeler laser bore sighter . . . . Red or green beam? Any preference?

We have red now, but if I had to do it again, I would go green as it makes it quicker to differentiate dot and laser.


and while answering this a Wheeler for our game guns or ……..

The Wheeler has paid for itself many times by saving ammo for initial zeroing and subsequent confirmation. Game and carry guns.

[GJM]

GJM:

The Wheeler laser bore sighter . . . . Red or green beam? Any preference?

We have red now, but if I had to do it again, I would go green as it makes it quicker to differentiate dot and laser.


and while answering this a Wheeler for our game guns or ……..

The Wheeler has paid for itself many times by saving ammo for initial zeroing and subsequent confirmation. Game and carry guns.

[Nephrology]

We have red now, but if I had to do it again, I would go green as it makes it quicker to differentiate dot and laser.



The Wheeler has paid for itself many times by saving ammo for initial zeroing and subsequent confirmation. Game and carry guns.

Is it a big improvement vs the cheap little cartrdge sized laser boresighters?

[GJM]

I was shooting some 3 yd Eleanore drill's yesterday,
1/2 way through the 2nd mag my hit's were low,
thinking it was just me screwing up on hold over, I
took some shots at a 25 yd plate and shot under,
I checked and all witness marks were on the money
so I moved up to 15 yd's and all were low.
I went back and shot paper at 7 yds to find poi was
4.5" low.
It just so happens, I'd received a call a couple hrs earlier,
a 507K I'd ordered with a lgs 10 days ago is in.
This one has 3500 +/- rds and is my second Holosun
Holosun in 6 or so months to take a dump, the first was
a 407C VII that lost zero in the first few hundred rds.
I know their customer service is very good and it'll be
promptly taken care of but, it doesn't instill a lot of
confidence for daily carry.


You jinxed me!

I had a 508T lose zero today, and fortunately it was dramatic enough it was immediately obvious. Friend and I were discussing earlier, that while red dots have gotten better each year, they still are electronic things, and break periodically. The BUIS immediately made the zero problem obvious.

[Clusterfrack]

You jinxed me!

I had a 508T lose zero today, and fortunately it was dramatic enough it was immediately obvious. Friend and I were discussing earlier, that while red dots have gotten better each year, they still are electronic things, and break periodically. The BUIS immediately made the zero problem obvious.

Ugh. My 509t x2 P-07 slide shipped yesterday, and I should have it in hand soon. I sure hope it doesn't have this problem. I had 4 Romeo 1's lose zero after a few thousand rounds each on a Shadow2.

Great point about the importance of confirming function with laser boresights and BUIS.

[D-der]

You jinxed me!

I had a 508T lose zero today, and fortunately it was dramatic enough it was immediately obvious. Friend and I were discussing earlier, that while red dots have gotten better each year, they still are electronic things, and break periodically. The BUIS immediately made the zero problem obvious.

LOL...
Updating the old saying, electronics, tit's or wheel's
sooner or later, you're gonna have a problem!

I mounted a new 507K on my XL in place of the 407 last night,
if I can get home for the last 20 minutes of daylight, I'll see how
close the laser got me to zero.
I emailed Holosun on the 407 this am, no word back yet.

[GJM]

Is it a big improvement vs the cheap little cartrdge sized laser boresighters?

We sure think it is. The Wheeler, Fix it Sticks and a battery tester are the must have things for our red dot use.

[Clusterfrack]

Crosspost…

509t2 slide just arrived from Stonebridge Gunworks. It looks great. Irons are low, just visible at bottom of window.

Needless to say, a serious amount of testing needs to happen before I’m ready to endorse this setup.

https://uploads.tapatalk-cdn.com/20211215/a5544f132e90de3f044f545cf99d22e2.jpg

https://uploads.tapatalk-cdn.com/20211215/e2c6da1d982ab2c98e7d4bb9d62a578a.jpg

[Clusterfrack]

Detail of the slide cut. Note open FP block socket and spring. Kind of cool to be able to access from above without removing the firing pin roll pin.

https://uploads.tapatalk-cdn.com/20211215/54983690f51ff3a386af39865ad33d51.jpg

[GJM]

I like the irons forward installation and how low your irons are.

[Clusterfrack]

Is the 509t2's Auto brightness feature completely useless? It's barely visible in a lit room.

If there was some way to set the lowest brightness and adjust the gain, I could see it being a good feature...

[GJM]

Is the 509t2's Auto brightness feature completely useless? It's barely visible in a lit room.

If there was some way to set the lowest brightness and adjust the gain, I could see it being a good feature...

1) try it in circle only mode, that works better in auto for me.

2) I run mine in manual with a setting that works well in sunlight and with my TLR-7 in low light.

[spyderco monkey]

G17L with 508T, recently back from Nameless Armament. Hoping to hit the range with this week.

https://i.ibb.co/s9Jt7Rd/Glock-17-L-RDS-Mill-Holosun-508-T.jpg

[Clusterfrack]

I like the irons forward installation and how low your irons are.

This setup is interesting, and I think I like it a lot. When the irons are aligned, POI is dead center in the optic window. I wasn’t sure that was going to work until I hit an 8” plate at 20 yds 5 times in a row with the dot turned off.

[EVP]

Quick question for holosun folks.

I am about to buy a 507c with Vulcan reticle. I stepped in my local gun store and all they had was a 509t green to look at. It seemed huge compared to the RMR window I am used to.

My thoughts on the whole thing are that maybe the Vulcan reticle is not really needed with the larger 509t window size?

Again I have not been able to mount any of these holosuns and play with them that way. The only reference I have is a RMR06.

[David S.]

Quick question for holosun folks.

I am about to buy a 507c with Vulcan reticle. I stepped in my local gun store and all they had was a 509t green to look at. It seemed huge compared to the RMR window I am used to.

My thoughts on the whole thing are that maybe the Vulcan reticle is not really needed with the larger 509t window size?

Again I have not been able to mount any of these holosuns and play with them that way. The only reference I have is a RMR06.

The RMR window is set lower in the housing so when you have it on target, a significant part of window is hidden behind the aft part of the body (where the elevation screw is). The Holosun 507c has the same size window, just without being partially obscured.

[MVS]

Quick question for holosun folks.

I am about to buy a 507c with Vulcan reticle. I stepped in my local gun store and all they had was a 509t green to look at. It seemed huge compared to the RMR window I am used to.

My thoughts on the whole thing are that maybe the Vulcan reticle is not really needed with the larger 509t window size?

Again I have not been able to mount any of these holosuns and play with them that way. The only reference I have is a RMR06.

I can't photograph worth a crap or I would post comparison pics, but I would say yes the 507c seems larger than the RMR when I look through mine. Some of that has to do I think with how thick the surround is on the RMR. Eventually you don't notice it. If you are really used to regular dots, you may not like the Vulcan at least that was my experience.

[EVP]

Thanks for the info guys.

MVS I know the reticle is 10 MOA, do you find it too big? What about the reticle that you don’t care for?

I know when I checked out the 509t green with circle and dot reticle it was like video game cheat mode compared to the RMR.

[MVS]

Thanks for the info guys.

MVS I know the reticle is 10 MOA, do you find it too big? What about the reticle that you don’t care for?

I know when I checked out the 509t green with circle and dot reticle it was like video game cheat mode compared to the RMR.

It was fine for standing still on open targets. When I was moving or shooting at speed on partial targets it was clumsy. Maybe it is just because I have been shooting round dots for over a decade.

[GJM]

I can't photograph worth a crap or I would post comparison pics, but I would say yes the 507c seems larger than the RMR when I look through mine. Some of that has to do I think with how thick the surround is on the RMR. Eventually you don't notice it. If you are really used to regular dots, you may not like the Vulcan at least that was my experience.

If you look at our display thread, you will note the Holosun 507C is larger than the RMR, and even more so when you consider part of the RMR display is blocked by the emitter housing.

[David S.]

I dig circle only for general purpose shooting, what are your current thoughts on it for competition?

GJM, Clusterfrack, whoever. . . .

[Clusterfrack]

I dig circle only for general purpose shooting, what are your current thoughts on it for competition?
GJM, Clusterfrack, whoever. . . .

I prefer a dot only. I can react quickly to a streak arriving on target. Maybe I’m not used to the other reticles yet but they seem too complicated.

[GJM]

I dig circle only for general purpose shooting, what are your current thoughts on it for competition?

GJM, Clusterfrack, whoever. . . .

My thoughts are that there are better competition optics than the Holosun, because the Holosun displays are relatively small. If I was using a Holosun multi reticle like the 507C, and there was an adverse sun angle, I would select circle only, to avoid splatter and multiple dots. However, I find a single dot easier to shot call.

If I had to use a Holosun for competition, it would be the 407CO with the 8 moa circle, which has the best attributes of a dot and circle. I would also remove BUIS, if they obscured much of the Holosun display.

I do like circle only for EDC, for reasons I have described previously (adverse sun angles, weird grips, support hand, better in a variety of lighting conditions). Aiming at a coyote about 100 yards away, I noted that the circle, especially with the brightness high, obscured more down range view than I like, but there are inevitably compromises with reticle selection and dot intensity.

[GJM]

In the fall of 2020, I sent YVK a 43X slide with a direct milled 507K on a long term lend basis. It was zeroed with 115 Gold Dot, and he said he never touched the zero. He carried it nearly a year, and just sent it back to me now that he is 365 centric.

I figured I better shoot it, after all his regular hijinks. Here is the first and only five shots of 115 Gold Dot at 20 yards.

81983

[cornstalker]

My thoughts are that there are better competition optics than the Holosun, because the Holosun displays are relatively small. If I was using a Holosun multi reticle like the 507C, and there was an adverse sun angle, I would select circle only, to avoid splatter and multiple dots. However, I find a single dot easier to shot call.

If I had to use a Holosun for competition, it would be the 407CO with the 8 moa circle, which has the best attributes of a dot and circle. I would also remove BUIS, if they obscured much of the Holosun display.

I do like circle only for EDC, for reasons I have described previously (adverse sun angles, weird grips, support hand, better in a variety of lighting conditions). Aiming at a coyote about 100 yards away, I noted that the circle, especially with the brightness high, obscured more down range view than I like, but there are inevitably compromises with reticle selection and dot intensity.

Did you hit the coyote?

[GJM]

Did you hit the coyote?

My wife would beat the crap out of me if I shot one that was not threatening Astro, so no I didn't shoot, although I peeked "just in case."

[GJM]

Dirty lens and all, the 407 CO 8 moa circle works great in a low sun angle. No question where the circle is.

[ECK]

I picked up a 407CO this fall to try it out. I’m still on the fence about the 8MOA circle as opposed to a solid dot. It’s functional, visible, and even accurate for minute-of-A-zone type shooting (even the upper A-zone at 10-15 yds). But truth be told I think I am more accustomed to a single dot in the 5-6 MOA range since that is the reticle I have on all my other pistols.

As mentioned earlier, for slow static shooting the 8MOA circle works just fine, but for shooting at speed when the “dot” is just a red streak I find it more precise to track with a solid dot. But maybe I just need to shoot it more.

I hope in 2022 HS offers more reticle options. Similar to the 6MOA emitter on the 407K, it’d be sweet if HS did a 6MOA dot-only option in the 508T body (maybe it would be called the 407T?).

[Warped Mindless]

Just had another 507k fail on me.

The first one just refused to turn on one day. Changed batteries and everything but it was just dead.

A week ago my second one started to refuse to turn off and I could not change the brightness. Changed the batteries and it went back to normal until today. Like the first one this one is simply dead.

[GJM]

82239

Earlier, it wouldn’t let me link this photo of the 407 CO with a filthy display and a low sun angle.

[GJM]

I dropped a 365XL with a 507K just now. I got my foot out to partially cushion it, but it bounced off and hit a tile floor. Went and put the Wheeler on it, and POI has shifted significantly in windage. There isn't a mark on the optic, but I don't trust it to hold now.

[NH Shooter]

I dropped a 365XL with a 507K just now. I got my foot out to partially cushion it, but it bounced off and hit a tile floor. Went and put the Wheeler on it, and POI has shifted significantly in windage. There isn't a mark on the optic, but I don't trust it to hold now.

Do you plan on verifying the shift with shooting? Is there a plate system involved?

[GJM]

Do you plan on verifying the shift with shooting? Is there a plate system involved?

No plate, it is directly bolted to the 365 slide. No need to shoot, with the Wheeler green laser at 25 yards, the dot is about six inches off in windage. Backup iron sights agree. I just ordered a RMSc.

[NH Shooter]

No plate, it is directly bolted to the 365 slide. No need to shoot, with the Wheeler green laser at 25 yards, the dot is about six inches off in windage. Backup iron sights agree. I just ordered a RMSc.

Thanks, that does not instill confidence in Holosun optics.

[vandal]

I dropped a 365XL with a 507K just now. I got my foot out to partially cushion it, but it bounced off and hit a tile floor. Went and put the Wheeler on it, and POI has shifted significantly in windage. There isn't a mark on the optic, but I don't trust it to hold now.

Didn’t Cowan drop this thing six ways til Sunday and “I’d call that zero maintained”?

I think you dropped it on the wrong kind of tile.

[GJM]

Didn’t Cowan drop this thing six ways til Sunday and “I’d call that zero maintained”?

I think you dropped it on the wrong kind of tile.

I think Aaron tested a direct drop onto a tile hard surface, but my mistake was cushioning the fall with a Croc. That will show me why an operator must not wear Crocs.

[NH Shooter]

Didn’t Cowan drop this thing six ways til Sunday and “I’d call that zero maintained”?

I watched his review of the 508T (https://www.youtube.com/watch?v=4QrtWs9K_nM) and 507k (https://www.youtube.com/watch?v=RN-kD4BRh1A&t=8s) and that indeed is what he found.

I'm looking at the 508T but haven't ruled out a RMR either.

[GJM]

I watched his review of the 508T (https://www.youtube.com/watch?:(v=4QrtWs9K_nM) and 507k (https://www.youtube.com/watch?v=RN-kD4BRh1A&t=8s) and that indeed is what he found.

I'm looking at the 508T but haven't ruled out a RMR either.

Yeah, but I am an expert at breaking red dots, and he is an expert at burn downs!

Sure glad JCN introduced me to the Wheeler, because I did a zero of the 407K replacement, got to the range and needed NO adjustment at 25 yards. The Wheeler is mandatory kit for the red dot aficionado.

[MVS]

Thanks, that does not instill confidence in Holosun optics.

All red dots will fail. Some appear to fail at a higher rate then others, but it just depends who you listen to. Statically my Holosuns have fared better than my Trijicon's as much as I hate to say it.

[cornstalker]

No plate, it is directly bolted to the 365 slide. No need to shoot, with the Wheeler green laser at 25 yards, the dot is about six inches off in windage. Backup iron sights agree. I just ordered a RMSc.

Have you found the RMSc to be more resistant to this kind of impact than Holosun? (Just asking because I have one RMSc now and three on the way)

[MikeyCNY]

Reposting from another gun forum, thought I'd share here (this was my post and pictures) -

In 2019 when I purchased my SIG P365XL, it could be paired with a Romeo Zero optic or Holosun 407k/507k. At the time the 407k/507k was only available in red, and after some time I was able to pick one up at launch. Shortly after Holosun gets slapped with a lawsuit from Trijicon regarding the button location on some of their optics. The two companies come to a settlement and Holosun re-designs the location of the buttons, leading to an "x2" model series.

Fast forward to late 2021, and there are now green dot options for the 407k/507k and 509t. Originally I was going to get a 509t-GR but they're even harder to find than the 507k versions.. Plus I carry my 365XL more than the M&P the 509t sits on.

I found a great deal on the 507k-x2 green ($265 shipped from Holosun Technologies 507K-GR X2 (Green) - Ibex Armament, OOS as of this post) and decided to compare.

In the following 4 pictures, the 507k-RD (red dot) is on the LEFT, and the 507k-x2-GR (green dot) is on the RIGHT:

82464
82465

Dirty lens from being carried, should have used canned air to clean it before taking pics - you can also see the emitters.

82466

Here you can see how the buttons changed. They are smaller, and I did find a little harder to adjust at the range, but you wouldn't normally be adjusting too much. The "x1" version was definitely easier to adjust without looking, but lawsuits and all that..

82467

I found it interesting that wires are visible in the original - I wonder if that would have affected the water resistance rating.

I was able to get the new model mounted and to the range this week - I really like the green over the red. I tried to get some "first person view" photos -

82468
82469

I had a hard time getting the iPad to focus on the green dot - it looks larger than the red dot but it really isn't; it WAS brighter (could have been battery life, the red dot was due to have a yearly battery change), and when I turned the brightness down on the green it was fainter than the red photo.

Now the big question people with astigmatism (like me) will have: Is the green dot better than red?

The answer will be different for everyone. I also have a Holosun HE510c in Green for a rifle. I have very slight astigmatism which makes most red dots a blurry mess, but the 510c is VERY clear and absolutely usable without corrective lenses. I was hoping this would translate to the smaller models.

With the 507k, at this time I can discern no particular difference between the red and green versions regarding clarity. They are still very usable to me - it also helps they are 2 MOA dots. At normal pistol ranges, I would have no issues using either in a defensive use. If I had to make a precision shot I would want my glasses to be sure though... Another trick I've seen mentioned is to have the dot at the lowest setting where you can still see it.

It was cloudy out and I shot the optic only indoors, so I can't say how it'll be in sunny weather. This was a mild concern with the red version unless you cranked the setting up high.

[GJM]

This picture does not do justice to how adverse a sun angle this is, but the 407 CO rocks!

82525

[SoCalDep]

This picture does not do justice to how adverse a sun angle this is, but the 407 CO rocks!

82525

Yes indeed!

[NH Shooter]

This picture does not do justice to how adverse a sun angle this is, but the 407 CO rocks!



Does the 8 MOA circle render cleaner for those with astigmatism?

[GJM]

Does the 8 MOA circle render cleaner for those with astigmatism?

Good question, and I don't know the answer, even though I have a slight astigmatism in my left eye. The reality of using a pistol RDS is your display will be dirty or otherwise impaired by dirt, lint, hair or thumbprints, and if you are target focusing none of that will matter. False dots, however, are a problem, and the 8 moa and larger circle reticle make it easy to visualize the proper dot and not a phantom one.

[NH Shooter]

The reality of using a pistol RDS is your display will be dirty or otherwise impaired by dirt, lint, hair or thumbprints, and if you are target focusing none of that will matter.

Understood.

I used RDS on AR rifles for quite some time, but my astigmatism turned a 1 MOA dot into about a 6 MOA cluster at 100 yards. I eventually went to etched reticles for rifles and never looked back.

Obviously rifle precision is not need for pistol applications, so even a multi-MOA dot cluster at 25 yards will be fine. I am fortunate that my eyesight has evolved to the point where target-focus is easy while keeping the irons sharp enough for good alignment (this is with my vision uncorrected). Being diagnosed severely near-sighted when I was ten years old, and having needed corrective lenses all my life, my eyesight is about the only thing that has improved with age. ;-/

Again, just curious how that 8 MOA circle might look to someone with astigmatism.

[GJM]

Understood.

I used RDS on AR rifles for quite some time, but my astigmatism turned a 1 MOA dot into about a 6 MOA cluster at 100 yards. I eventually went to etched reticles for rifles and never looked back.

Obviously rifle precision is not need for pistol applications, so even a multi-MOA dot cluster at 25 yards will be fine. I am fortunate that my eyesight has evolved to the point where target-focus is easy while keeping the irons sharp enough for good alignment (this is with my vision uncorrected). Being diagnosed severely near-sighted when I was ten years old, and having needed corrective lenses all my life, my eyesight is about the only thing that has improved with age. ;-/

Again, just curious how that 8 MOA circle might look to someone with astigmatism.

I definitely notice a symmetric dots with red dots on my carbines. I think a lot of it is trying to shoot small groups with the long gun as opposed to the faster shooting we do with the pistol, and I am probably focusing on the dot not the target (bad).

[SoCalDep]

Does the 8 MOA circle render cleaner for those with astigmatism?

I'm a right-hand shooter who is left-eye dominant. I have astigmatism in both eyes but worse in my left (dominant) eye.

The 407CO looks awesome if I'm wearing contacts or glasses. It looks "ok" without if it's bright daylight. In any other light condition including indoors with lights on, it's a big blur around two rings. It sucks.

My 407CO is on my main range gun but it's either bright or I'm wearing contacts. I'm leery to carry it on or off duty because of my uncorrected vision should that be a thing.

If my eyes weren't as defective as they are it would probably be my all-around favorite reticle.

[NH Shooter]

SoCalDep, thanks for that description!

[NH Shooter]

The 407CO looks awesome if I'm wearing contacts or glasses. It looks "ok" without if it's bright daylight. In any other light condition including indoors with lights on, it's a big blur around two rings.


SoCalDep, a follow-up question if I may - do handgun iron sights appear sharper with or without your corrective lenses?

Thanks again.

[SoCalDep]

SoCalDep, a follow-up question if I may - do handgun iron sights appear sharper with or without your corrective lenses?

Thanks again.

Just barely sharper with my glasses on... now. I haven’t worn my contacts in a bit but with those I have to sort of consciously focus to see the sights clearly.

Until a year or two ago, my glasses did not improve my close vision at all. It seemed to me that my perfect point of clarity in my uncorrected vision was my front sight. I could stare at the target (which was blurry) with both eyes open and even though the sights had that transparent look from both eyes open target focus the sights were still perfectly clear.

I thought it was rad and my eye doctor thought it was interesting that I purposely shot without glasses - partly for that reason. Then enter pistol optics, and my eyes were no longer “ideal” like they were for iron sights. So, I explored contacts but they have their own issues and I still shoot more without them. I may get some prescription shooting glasses at some point.

Anyway, I checked last night and the front sight is just a hair better with glasses on. Reading is also just a bit easier as is looking at a computer/device screen.

[NH Shooter]

Until a year or two ago, my glasses did not improve my close vision at all. It seemed to me that my perfect point of clarity in my uncorrected vision was my front sight. I could stare at the target (which was blurry) with both eyes open and even though the sights had that transparent look from both eyes open target focus the sights were still perfectly clear.

This is where I'm at now. Glasses make the target sharper but really blurs the irons. With no corrective lenses the target is clear enough to hit it where I want to with the irons in good focus.

I can function without my glasses but my situational awareness in public is obviously much enhanced with clear distance vision. So this is the dilemma: in public I wear my glasses but if I had to use the pistol, I'm far better off without them.

So in my analysis to move to a MRDS on a pistol, a dot appears as a cluster of grapes due to astigmatism. A 1 MOA dot becomes a 4 - 5 MOA cluster, but at least the cluster is circular. My thinking is that I'm going to roll with a 1 MOA RMR so I can shoot with my glasses on and have a 4 - 5 MOA aiming point on a sharply-focused target.

Thanks again for sharing the info!

[NH Shooter]

Correct me if I'm wrong, but aren't these otherwise identical other than the reticle?

Thanks.

[ECK]

Correct me if I'm wrong, but aren't these otherwise identical other than the reticle?

Thanks.

That’s my understanding. 407K only has the 6MOA dot. 507K has the option of 2MOA dot, 32 MOA ring, or circle-dot combo. 407K is less a little $$.

Majority of my red dots are 5 to 6.5 MOA, so for me it was a natural choice to go with the 407K’s 6MOA dot. I never really spent any time with the circle-dot reticle so didn’t want to confuse my pea brain with something new on an EDC gun.

[NH Shooter]

My sample arrived today and initial impressions are good. Shake-Awake works as expected and the dot is plenty bright. On blue-sky sun-lit snow, the dot is nuclear on max, is perfect one notch down and still usable two notches down. Two notches down the dot is bright enough to be seen on a white wall eight feet away illuminated with a Malkoff Super Hound Dog (1,600 lumens/75k candela). The 6 MOA dot looks crisp wearing my corrective lenses (for distance).

The CHPWS plate (https://chpws.com/product/walther-ppq-q4-q5-to-holosun-407k-507k-with-integrated-rear-sight/) is perfectly sized for this optic. I secured the optic to the plate with the supplied hardware and then jury-rig taped it to my PPQ. From low-ready I had no difficulty quickly acquiring the dot, so it seems my countless target-focus presentation repetitions have paid off.

With optic and plate in-hand and all looking good, the slide is packed up and heading to CHPWS for milling.

[Gaston]

Is there a consensus on whether the CHPWS RMR-to-509T plate is worth it over the factory Holosun plate? I saw some measurements earlier in the thread and I did my own comparison using a CHPWS MOS-to-509T plate I have handy. I really want the lowest dot I can get, but I don't know if the fraction of an inch justifies $50 and dealing with CHPWS. A friend mentioned that having a higher optic isn't the worst thing in the world if I plan to shoot suppressed (though my supressor is still in NFA jail), so I am leaning towards sticking with the factory plate. Interesedt in hearing from anyone else that bought the CHPWS RMR-to-509T and whether or not they regret the purchase.

[Clusterfrack]

Nice snowshoe trip on Mt. St. Helens today with Mrs. CF. P-07 / Holosun 509t2, AIWB.

https://uploads.tapatalk-cdn.com/20220203/9532bf2d632f4bed1b6164d7619cfc49.jpg

[Clusterfrack]

Primary Arms / Holosun 509 ACSS (https://www.primaryarms.com/holosun-he509-rd-enclosed-solar-powered-red-dot-sight-w-mos-mounting-plate-acss-vulcan-reticle) is out, but comes with this warning:

"Note: The 509 ACSS model does not share the same footprint as the 509T (non-ACSS models) and therefore is incompatible with aftermarket mounting solutions and custom cut slides for the 509T (non-ACSS models)."


WTF? Really?

[frozentundra]

Primary Arms / Holosun 509 ACSS (https://www.primaryarms.com/holosun-he509-rd-enclosed-solar-powered-red-dot-sight-w-mos-mounting-plate-acss-vulcan-reticle) is out, but comes with this warning:

"Note: The 509 ACSS model does not share the same footprint as the 509T (non-ACSS models) and therefore is incompatible with aftermarket mounting solutions and custom cut slides for the 509T (non-ACSS models)."


WTF? Really?

Is it possible they have gone with ACRO footprint?

I could never bring myself to get a slide milled for the 509T. I figured as soon as I did the footprint would go away and they would standardize on something else. I hope it's ACRO.

[Clusterfrack]

Is it possible they have gone with ACRO footprint?

I could never bring myself to get a slide milled for the 509T. I figured as soon as I did the footprint would go away and they would standardize on something else. I hope it's ACRO.

I doubt it's an Acro footprint. I think they had to do something odd with the housing to make the ACSS reticle work, and now it doesn't fit the standard 509 footprint.

[dontshakepandas]

I doubt it's an Acro footprint. I think they had to do something odd with the housing to make the ACSS reticle work, and now it doesn't fit the standard 509 footprint.

It looks quite a bit longer in the picture.

[HeavyDuty]

I’ve been pretty vocal in my suspicion of Holosun, mostly because of their PRC ownership. But, I have to say their stateside customer service is first rate - enough so that I am definitely going to give more of their products a try.

[JCN]

Primary Arms / Holosun 509 ACSS (https://www.primaryarms.com/holosun-he509-rd-enclosed-solar-powered-red-dot-sight-w-mos-mounting-plate-acss-vulcan-reticle) is out, but comes with this warning:

"Note: The 509 ACSS model does not share the same footprint as the 509T (non-ACSS models) and therefore is incompatible with aftermarket mounting solutions and custom cut slides for the 509T (non-ACSS models)."


WTF? Really?

It looks like you can buy it with an MOS plate or an RMR plate.

They probably mean that the plate is a little different than a 509T so if you had something milled specifically for a T you might need to elongate a cut or something. But if you’re mounting on an MOS or RMR footprint use the supplied plates.

I’m thinking of buying one for an open gun for rain. RMR footprint currently.

[Gaston]

Primary Arms / Holosun 509 ACSS (https://www.primaryarms.com/holosun-he509-rd-enclosed-solar-powered-red-dot-sight-w-mos-mounting-plate-acss-vulcan-reticle) is out, but comes with this warning:

"Note: The 509 ACSS model does not share the same footprint as the 509T (non-ACSS models) and therefore is incompatible with aftermarket mounting solutions and custom cut slides for the 509T (non-ACSS models)."


WTF? Really?

I mentioned this in the Centurion Arms slide thread, but there's a reason 509T-cut slides don't interest me. ;)

[Gaston]

I’ve been pretty vocal in my suspicion of Holosun, mostly because of their PRC ownership. But, I have to say their stateside customer service is first rate - enough so that I am definitely going to give more of their products a try.

I've been very satisfied when dealing with their CS. I am also not a fan of their Chinese ownership, but they seem to actually be innovative and listen to the customer (which is more than even some American optics companies can say *cough*Trijicon*cough*).

[NH Shooter]

Posted these photos in a separate thread, but thought they'd be appropriate here too.

407K in green, have not sighted in yet but so far I'm liking what I'm seeing;


The 6 MOA dot is crisp with my corrective lenses, which was a primary objective
The dot goes nuclear bright on max setting, can easily see the dot on midday, sun-lit snow
The integral rear BUIS seems like it will fine for the intended back-up use, and measures .007" lower than the 10-8 rear sight that came off so existing front sight should be fine
For a "compact" model, I find the window large enough to quickly acquire the dot on presentation, especially with no separate BUIS to obscure the view
The Shake-Awake feature works perfectly, leaving mine set to the default 10-minute setting

I'm looking forward to getting some range time with the new set up.


https://i.ibb.co/MpQxhfK/ppq-11.jpg


https://i.ibb.co/Sd3VjVF/ppq-12.jpg


https://i.ibb.co/zVX54N4/ppq-13.jpg

[Larry Sellers]

Hey all, apologies if this has been answered in the pages before.

I’ve got a direct milled g48 with a 507K, curious as to what irons people are running in conjunction with this setup that provides a lower-useable sight.

Thanks in advance!


Sent from my iPhone using Tapatalk

[DaBigBR]

Primary Arms / Holosun 509 ACSS (https://www.primaryarms.com/holosun-he509-rd-enclosed-solar-powered-red-dot-sight-w-mos-mounting-plate-acss-vulcan-reticle) is out, but comes with this warning:

"Note: The 509 ACSS model does not share the same footprint as the 509T (non-ACSS models) and therefore is incompatible with aftermarket mounting solutions and custom cut slides for the 509T (non-ACSS models)."


WTF? Really?

Really.

It's .050" longer. The emitter for the Vulcan reticle is larger and necessitated the change. I feel bad for the guys milling slides and making plates. This is going to be confusing. I'm a little put off that Holosun was willing to build this thing when it has to be so much larger. It's going to cause no end of customer service trouble and end-user frustration.

[DaBigBR]

Hey all, apologies if this has been answered in the pages before.

I’ve got a direct milled g48 with a 507K, curious as to what irons people are running in conjunction with this setup that provides a lower-useable sight.

Thanks in advance!


Sent from my iPhone using Tapatalk

My experience is that the standard plastic ones are good enough. I put Ameriglo Defoors (all black) on mine and the rear is a little taller than the notch on the 507K.

[Clusterfrack]

Really.

It's .050" longer. The emitter for the Vulcan reticle is larger and necessitated the change. I feel bad for the guys milling slides and making plates. This is going to be confusing. I'm a little put off that Holosun was willing to build this thing when it has to be so much larger. It's going to cause no end of customer service trouble and end-user frustration.

Do you know if the clamp is compatible, assuming the front-back cut was enlarged?

But not worth the hassle for me…

[JCN]

Do you know if the clamp is compatible, assuming the front-back cut was enlarged?

But not worth the hassle for me…

My thought was that the triangle nature could help the eye tell phantom sun dots from the actual reticle.

I used the triangle reticle DPP when I started and thought this might be a good closed emitter option like that.

EDIT: all sold out

[Clusterfrack]

My thought was that the triangle nature could help the eye tell phantom sun dots from the actual reticle.

I used the triangle reticle DPP when I started and thought this might be a good closed emitter option like that.

EDIT: all sold out

Good idea. But, I have not been able to make the 509t2 have a phantom dot. Is that a known issue as in the SRO?

[JCN]

Good idea. But, I have not been able to make the 509t2 have a phantom dot. Is that a known issue as in the SRO?

I don't know? I haven't heard anything, just looking for excuses to buy toys and semi-make them applicable to something. :D

I'm really waiting for the Green 512

EDIT: I just ordered the Gold 512 for my rainy weather optic.

[GJM]

Good idea. But, I have not been able to make the 509t2 have a phantom dot. Is that a known issue as in the SRO?

I carry mine in circle only, so I don't know. Will check in a desert sunrise and report.

[GJM]

Good idea. But, I have not been able to make the 509t2 have a phantom dot. Is that a known issue as in the SRO?


I carry mine in circle only, so I don't know. Will check in a desert sunrise and report.

Very low sun angle now from a setting sun. First I checked a SRO, and there was obvious phantom dot. Then the 509T, and it was not too bad on dot only. There was some minor red stuff depending upon how you moved the optic, but not really anything that would make you think you were looking at another dot. Then I tried a 507C, and there definitely was false dot shaped things floating around. Then I checked a RMR RM07, and there was some scatter, but because the 6.5 moa dot is so large, you can differentiate.

[RJ]

Hey all, apologies if this has been answered in the pages before.

I’ve got a direct milled g48 with a 507K, curious as to what irons people are running in conjunction with this setup that provides a lower-useable sight.


FWIW, for my direct-milled G48 (Primary Machine) with a 507k I used the Holosun rear sight "aperture" and a stock 0.180" Ameriglo front sight.

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[RJ]

So this is pretty small cheese, but I was replacing the battery with a new Duracell 1632 in my G34's Holosun 507c today, when I noticed something cool. If you place a small screwdriver, vertically, on either side of the battery tray, you'll find a small screwdriver-sized slot, that you can use to easily lever the battery tray out.

I went back to the manual, and sure enough, they mention this, but I never noticed it before. I just appreciate it when designers consider end-user maintenance aspects of a product.

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