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Adventurer_96
June 17, 2002, 20:54
I know that the ATF has a few methods of attaching a muzzle device which they have determined to be "permanent," but a guy at work asked me about epoxy. I would guess that the heat of the barrel would affect it and reduce its grip, but has anyone heard of this method being approved by the ATF? I haven't been able to find where on their site is listed the criteria for permanently attached muzzlebrakes.

W.E.G.
June 17, 2002, 22:07
Industrial adhesives are not an acceptable method of attaching a muzzle device.

See http://www-2.cs.cmu.edu/afs/cs/user/wbardwel/public/nfalist/atf_letter40.txt

3doghouse
June 17, 2002, 22:10
Always check the ATF website or inquire by other means for yourself, and never trust what you "hear," but, as far as I know, the three "generally known to be accepted" methods are:

Blind pinning
Welding
High temp (1100+) soldering

You could make a case for what ever you think will stand up to the definition of permanant, but do you really want to?

Adventurer_96
June 17, 2002, 23:32
It seems that the only means of attachment I've seen done on rifles was one of those three methods. I've just been unable to find out where the ATF lists their info on the subject. I appreciate the responses.