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Thread: Holosun 407K vs 507K

  1. #181
    Site Supporter Lon's Avatar
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    Apr 2011
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    Quote Originally Posted by newyork View Post
    I still have a blockage when it comes to a Chinese optic vs Trijicon but they donít make a g48 sized optic yet.
    Isnít the RMRcc a 48 sized optic?
    Formerly known as xpd54.
    The opinions expressed in this post are my own and do not reflect the opinions or policies of my employer.
    www.gunsnobbery.wordpress.com

  2. #182
    Only time Iíve seen a shop list it for the 48, was Maple Lead and they had it pushed all the way back which gets rid of your rear sight.
    I havenít seen it elsewhere but I may have just missed it.

  3. #183
    Site Supporter Lon's Avatar
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    Quote Originally Posted by newyork View Post
    Would that be the same with a non-mos 48 (thatís what I have)? Iíd be milling my 48.
    I think it would depend on how deep your optic cut out is. The brownells cut is pretty deep compared to most. The only reason I THINK those sights would work with a 407k in an mos cutout is because the 407k has that built in rear sight cutout. Remember, Iím just throwing out a possible option. Someone is gonna have to do some measuring to see if it will work. When I was looking for the best sight combo for a lower 1/3 co-witness I mounted the optic and busted out the micrometer to measure whatís what before I ordered the sights.
    Formerly known as xpd54.
    The opinions expressed in this post are my own and do not reflect the opinions or policies of my employer.
    www.gunsnobbery.wordpress.com

  4. #184
    Got this I go from Jager


    ď For a lower 1/3rd co-witness you will need the irons listed below. If you include these with your slide we will install them at no extra cost.


    Rear iron sight - .225" / .125" wide https://dawsonprecision.com/dawson-p...itness-sights/

    Front iron sight - .220" / .115" wide https://dawsonprecision.com/dawson-p...front-sights/Ē

  5. #185
    I didnít want to wait for milling.

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    #RESIST

  6. #186
    LL, assuming thatís the Brownells slide you filed the rear posts off of??

    Would the CHPWS plate not work with the rear hump filed down instead? I have a plate and am thinking about ordering a slide, but would rather file on the plate vs the slide.

  7. #187
    Quote Originally Posted by TAZ View Post
    LL, assuming thatís the Brownells slide you filed the rear posts off of??

    Would the CHPWS plate not work with the rear hump filed down instead? I have a plate and am thinking about ordering a slide, but would rather file on the plate vs the slide.
    Yeah, it was this one.

    I bought a CHPWS plate, it's not even close to fitting so I disregarded it. Everything looks fine with the 507K on and it shoots great, I checked for screws loosening after 24 mags shooting with @richiecotite, no issues. It shoots great, but it's very tight and needed a lot of shooting to break in.
    #RESIST

  8. #188
    Quote Originally Posted by LittleLebowski View Post
    Yeah, it was this one.

    I bought a CHPWS plate, it's not even close to fitting so I disregarded it. Everything looks fine with the 507K on and it shoots great, I checked for screws loosening after 24 mags shooting with @richiecotite, no issues. It shoots great, but it's very tight and needed a lot of shooting to break in.
    Did you contact C&H about their plate? I've been looking at their HK # 2 plate but not if they're dropping the ball like this!

  9. #189
    CHPWS told me they can do an rmrcc on a 48 but the rear sight has to be pushed in front of the optic.

  10. #190
    Quote Originally Posted by CMB View Post
    Did you contact C&H about their plate? I've been looking at their HK # 2 plate but not if they're dropping the ball like this!
    Canít speak for C&H or LL, but the plate I was referring to was specifically designed for the 43X/48 MOS which has a different cut in the slide than the Brownellís slide.

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