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Page AR-15 » Build It Yourself
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Posted: 4/18/2014 10:02:41 PM EDT
My upper build will be an Adam Arms clamp on style piston gas block. Is it possible for a gunsmith to pin a clamp on gas block once installed? All my other gas blocks (including a factory AA upper) have pinned blocks, and I'd prefer this to be pinned as well.
Link Posted: 4/19/2014 2:15:39 AM EDT
[#1]
Sure. Adco will do it for you.

Gas Block Pinning
Link Posted: 4/19/2014 6:38:53 PM EDT
[#2]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Sure. Adco will do it for you.

Gas Block Pinning
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Thank you for that info, but I'm not sure it would work on an AA clamshell type block? Their pictures shows a set screw block type, but mine is the "bolt on" clamshell type (2 pinch bolts at the bottom).
Link Posted: 4/19/2014 7:58:12 PM EDT
[#3]
If you know you're going to pin it, you should use a set-screw style gas block.  Install, test, then send it off to be pinned.
Link Posted: 4/20/2014 1:15:29 AM EDT
[#4]
No you don't want to pin a clamp on type gas block, get the correct set screw type. I know Rainier sells a DIY kit with the gas block, set screw, pins, drill bit, etc. I would recommend that as long as you have a little skill and access to a drill press and a good clamp fixture to hold the barrel securely.
Link Posted: 4/20/2014 9:04:12 AM EDT
[#5]
Thanks guys! It's an Adams railed clamp on (they don't offer their "pin on" railed for DIY), so I guess it will just stay clamp on. Thanks for the info!
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