Battle Arms Development THUMPER Muzzle Brake .223/5.56 1/2x28 Thread Black Nitride BAD-THUMPER-223-BN. 223/5.56) Hole Already Drilled for Pin/Weld Applications 2.19in OAL 1.45oz Specifications for Battle Arms Development THUMPER Muzzle Brake:...
Battle Arms Development THUMPER Muzzle Brake .223/5.56 1/2x28 Thread Black Nitride BAD-THUMPER-223-BN. 223/5.56) Hole Already Drilled for Pin/Weld Applications 2.19in OAL 1.45oz Specifications for Battle Arms Development THUMPER Muzzle Brake:...