Tame the recoil of your rifle with this heavy duty muzzle brake from TAPCO. Machined with an inner expansion chamber to ensure maximum gas distribution. Measures 4.25" long and can be permanently staked and pinned to a 12" barreled AK to make it into a legal 16-inch long barrel. Threaded for standard 14x1LH threads. Marked TAPCO USA and counts as a single 922r compliance part.