PDA

View Full Version : Long term effects of weapon light extending flush with the muzzle



Beat Trash
12-09-2015, 01:09 PM
Does having your light extent out to be flush with or even slight past the front of a compensator have any long term effects on the light?

My current setup for my Patrol Rifle has been a BCM upper consisting of a 14.5" ELW-f barrel with a BCM gunfighter comp pinned in place. Along with a 13" KMR Rail, a T-1 and a Surefire M300 mini scout light attached at 11 o'clock with an Arisaka in-line scout mount.

For my needs, this has been an ideal setup.

But then I was transferred out of Patrol and took over my agencies Canine unit, and I have found that my needs have changed.

While covering one of my Canine officers conducting a track, I find that I want more throw and more illumination than my M300 scout with it's 300 lumens can provide.

I hate wires and tape switches. I don't want to use a pistol light, nor do I want to change the location of my light setup.

The simple solution would be to obtain a Surefire M60 Ultra Scout and swap out the lights using the existing mount in the existing position. It has 500 lumen of light, but more important, it is designed to throw a more distant beam than the fury models. For my usage, that's what I need.

The issue is that the M600 Ultra Scout is 1.3" longer than the mini scout I currently run. This would put the head of the light next to the BCM comp, and the front edge of the light might even stick out past the front of the comp by a fraction of an inch or two.

Can anyone comment on if the gases blasting out the side of the comp would have any negative effects on the light? Just thinking about it, my initial thought is that it's not a good idea to have the head of my light next to the slots in the BCM comp. My Surefire X300U pistol light sticks out past the muzzle of my issued M&P9, and there is some slight marring on the paint from it, which I can live with. Other than that, there has been no issue with the pistol light extending past the muzzle of my handgun. But the gases from a 5.56mm are a bit more than from a 9mm.

Anyone with experience with lights sticking out nest to the comp? Especially anyone running an SBR maybe?

HCM
12-09-2015, 01:20 PM
Why not just fun an X-300U instead of the x300? The U-boat is only slightly longer and is 500 lumens.

I have a mini scout on my personal 11.5" Colt - it is about even with the A2 and had held up well for the past 4 years or so.

If I were doing outdoor K-9 tracks I would look at the FURY P3X EAG model - 1,000 lumens. put it is an inline mount from Arisaka at 10-11 o'clock.

http://www.bravocompanyusa.com/SureFire-P3X-Fury-Tactical-Single-Output-LED-EAG-p/sf-p3x-a-bk-eag-click.htm

theJanitor
12-09-2015, 01:34 PM
I just upgraded to the 3cell EAG FURY. It's a great light with lots of light and throw. It's significantly brighter than the P2X FURY and the X300U. Mine is just behind the FH, so I can't comment on any negative effects.

LSP972
12-09-2015, 01:36 PM
Back in the day when Weaver scope rings holding a 6P was state of the art, we had a few with blown modules after a moderate amount of firing. But those were hot-wires (incandescent bulbs). While the lens might become etched, I don't think a modern LED would be too bothered, unless you had one of those diverter-type brakes that "feature" a tremendous amount of side blast.

I guess you know about the vaseline, trick, eh? That would offer a bit of protection for the lens/bezel.

.

Cincinnatus
12-09-2015, 05:34 PM
If it was just a flash hider it was beside, no worries. But a brake or compensator...
One guy had a rifle with a rail that extended past the end of the barrel so that the muzzle device nestled inside, because it looked "cool."
When it fired, it broke the front ends of the rail.
If a compensator or brake can do that to an aluminum rail, I imagine having the light next to the port on one would eventually compromise the light.

Beat Trash
12-09-2015, 11:21 PM
Why not just fun an X-300U instead of the x300? The U-boat is only slightly longer and is 500 lumens.

I have a mini scout on my personal 11.5" Colt - it is about even with the A2 and had held up well for the past 4 years or so.

If I were doing outdoor K-9 tracks I would look at the FURY P3X EAG model - 1,000 lumens. put it is an inline mount from Arisaka at 10-11 o'clock.

http://www.bravocompanyusa.com/SureFire-P3X-Fury-Tactical-Single-Output-LED-EAG-p/sf-p3x-a-bk-eag-click.htm

I'm currently using the M300 Mini Scout, not the x300 pistol light. I'd love to put the P3 Furry on the gun, but the 6.6" length would put my hand farther back on the 13" rail than I would like.


Back in the day when Weaver scope rings holding a 6P was state of the art, we had a few with blown modules after a moderate amount of firing. But those were hot-wires (incandescent bulbs). While the lens might become etched, I don't think a modern LED would be too bothered, unless you had one of those diverter-type brakes that "feature" a tremendous amount of side blast.

I guess you know about the vaseline, trick, eh? That would offer a bit of protection for the lens/bezel.

.

I use the vaseline trick on the lenses of my pistol lights and on my mini scout lights. Works like a champ for the carbon cleanup afterwards.

I was giving the concept some thought at work. If I moved the light mount and my VFG back one keymod notch, that would closely account for the difference in the length from the mini Scout to the Ultra Scout, while leaving the bezel at about the same position as it is currently. I'll try taking the current light and mount back one keypad notch and see if that's workable for my support hand.

See what happens.

Stone
12-10-2015, 02:34 AM
My SBR is an LWRC 10.5" ICA5 and the only place I can run a light that works well for me shooting on both sides(ambi) is at the 3 O'clock. Its an x300u and the end of the light is dead center of the muzzle device and gets the living daylights blasted out of it. Its holding up great. Just some carbon build up on the lens which wipes off easily with a dab on a cloth of full strength cleaner degreaser. I cant move the light forward anymore(end of the rail) and if I move it back it forces me to change my grip which I wont do. I have heard of the Vaseline and chapstick tricks but the cleaner/degreaser gets me to the same result. The rifle is fairly new and only has 2K rounds on it but so far so good.
4876

Stone
12-10-2015, 09:21 AM
Another option would be to run a headlamp just for tracking. You would save the batteries on your rifle light and you could keep your setup as preferred. Lot of options in the headlamp world. After a lot of research I settled on the TerraLux, excellent light and very comfortable. http://www.amazon.com/gp/product/B00FQFC9GC?psc=1&redirect=true&ref_=ox_sc_act_title_1&smid=AD6RFAAQRI8WI For $48 you get a lot of bang for your buck.

Beat Trash
12-10-2015, 10:48 AM
Thanks all.

John Hearne
12-11-2015, 08:46 AM
We are in the process of getting new BCM uppers at work. They are 14.5" barrels with 13" rails and the BCM compensator. We are running X300U's at 12:00 for the WML. I was pleasantly surprised to see that the BCM comp directs all the crap away from the light. After 60 rounds at quals the light is just as clean as when it started.

My personal rifle is a 16" barrel with 13" barrel, PWS comp, and X300 Ultra. The PWS throws crap back with some vigor and has smoked the lens. I'll probably be swapping to the BCM comp just for this issue.