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I ordered an AA 16" lite barrel and WCI pepper pot style brake from Alexander Arms. I was wondering if I need to use a crush washer when installing the brake. They did not send a washer and this is my first build with AA parts. They sent no mounting instructions with the parts. I was wondering if anyone has some tips for installing this brake? This build will be for my wife as a hunting rifle.
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From the pictures, it looks like the ports on that brake are in a pattern that is balanced radially. If so, I wouldn't think it needs to be timed into a certain position with a crush washer. -
Thank you Drillboss. I sent an email to AA but they don't seem to respond on any of my questions. If they do I will update for anyone else who might need the info.Comment
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Just got email from AA. No indexing needed. Just blue it and screw it
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Depending on your thread length, you might want to use a precision shim washer.
Brownell's has an excellent set for this, or you can get a precision washer that will handle the stand-off between the brake rear end and the shoulder, without bottoming-out the threads.
I have the same products, so was just trying to let you know what I found. Mine will bottom out before hitting the shoulder, so it needs a shim/washer.
I prefer precision washers since they help keep the brake bore aligned with the barrel bore.NRA Basic, Pistol, Rifle, Shotgun, RSO
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.comComment
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I can't find any in 9/16". Do they have those or do you use one of the other sizes?Originally posted by LRRPF52 View PostComment
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I just use 5/8".Originally posted by Drillboss View PostNRA Basic, Pistol, Rifle, Shotgun, RSO
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.comComment
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