Originally Posted by bearstalker
Originally Posted by TWR
It depends on how big the port is but I run H2's in mine.


What do you mean port? If it helps any, mine is a BCM govt profile BFH barrel.


I'd get an H buffer for midlength or H2 for carbine gas, most likely. BCM barrels are pretty mildly gassed.


Originally Posted by SBTCO
your flippant remarks which you so adeptly sling