Gemtech 13816 5.56 ETM Muzzle Brake 1/2-28 5.56 ETM Muzzle Brake unmatched Reliability In Alignment With ETM Equipped suppressors. This Muzzle Brake Is 2.375" Long, Pre-dimpled For Pin And Weld To 14.5" Barrel. Virtually eliminates The Possibility Of Carbon Locking With a Suppressor Attached. Length: 2.37" Model: 5.56 ETM Barrel Features: 3-Port
