I have a m6a2 piston upper with non-adjustable gas block...16" barrel. can I suppress this without tearing up the piston/cup? thanks guys.
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nice, I emailed lwcr, will update with what they say. might try to trade the lwrc upper.
If left over gassed yes .but will it damage the piston system? can will mainly live on an 11.5" bcm upper...but ill def buy an xtra mount for this rifle if im not gonna eff it up.