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6/4/2004 8:03:03 AM EDT
I have a muzzle brake that I want to put on my SAM-7S and I was ondering if I would have to permantley attach it even though the barrel with out the brake is 16.5/8s? Also I'll be puting a RSA FCG in my rifle this weekend and  I know if it's not adjusted right  it can cause doubling so how do I know/make sure it's adjusted correctly? This is also my first time changing a FCG so any tips would be appreciated, thanks for the help.
6/4/2004 11:10:21 AM EDT
[#1]
UNless you have the Romy 22mm threads the ATF says do not have any matching grenade launchers, etc, then it must be secured (at least till Sept sunset).

RSA is usually set well out of the bag, and tuning inst should be in the bag.
6/4/2004 11:56:34 AM EDT
[#2]
Thanks RS39.
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