Originally Posted by
Jwknutson17
If the wrench flats are behind the teeth it works. So the breakout and the (2.0) and blackout FH all work . If you are using the muzzle Brake, it will not.
I had breaks that would and would not work. I tried the first one and thought "WHAT", changed breaks and it fit. So there are some different variations. Find one that does, seems jwknutson has given good advice. Mine has a break and works.
PB
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