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18 July 2015, 13:46 #16LEO / MIL
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18 July 2015, 14:14 #17
OK that makes sense. Now I'm curious that if I want to remove the gas block after its pinned, how hard is it to take off? Is about like putting in or removing a gas tube pin or is it more involved than that?
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18 July 2015, 14:19 #18
You just hammer it out. If they used a taper pin it's directional, hit the small end. Some pins are really tight and by no means easy to remove, but they're still removable
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18 July 2015, 14:25 #19LEO / MIL
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Thanks I just bite the bullet and buy another 87 industries pin block. They need to go on sale again damn it!
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18 July 2015, 14:39 #20
I've had gas block pinned by some well-known gunsmiths. The guy that did the best job for me...pinned the block without outrageously scarfing up the barrel like the other places typically do was Dave Timm at Patrol Tactical. He did an excellent job pinning an 87 Industries block on a Voodoo nitrided barrel for me.
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18 July 2015, 14:42 #21
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18 July 2015, 21:20 #22
Thanks for the pictures guys. Those pics are extremely helpful.
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18 July 2015, 23:10 #23
Just buy a noveske barrel with the gas block already drilled...it'll be fun they said...
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19 July 2015, 07:26 #24
FWIW, I recall that Dave told me that the 87 Industries gas block works fine with the same jig that he uses for the BCM gas block.
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19 July 2015, 12:14 #25
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19 July 2015, 15:02 #26
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20 July 2015, 09:46 #27Member
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I have zero experience with set screw gas blocks, but are people not drilling the dimples deep enough?
Sent from 80ms in the future
Much peace
Jimmy
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20 July 2015, 11:33 #28
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20 July 2015, 12:42 #29
I have not had that experience. I completely get why people want to pin their gas blocks, but if it's a range gun, not pinning the gas block doesn't mean it's going to fall off. I have several rifles with over 2K rounds (many suppressed) and they've been fine. Also, as was mentioned earlier, Loctite is susceptible to heat, so Loctiting a high-heat source doesn't really guarantee anything. That's why Rockset will often be used on muzzle devices.
But again, if I had to rely on my weapon for more than recreational shooting, then I definitely understand the desire to pin.
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20 July 2015, 13:02 #30
BCM doesn't pin their gas blocks. Never had an issue with any of mine, and I run a suppressor 100% of the time. Dimples, high temp permanent loctite, knurled-tip set screws and you'll be fine.
Will - Owner of Arisaka LLC - http://www.arisakadefense.com