A2 5/8x24 muzzle break for 7.62x39, 300 AAC, 308 etc with crush washer

A2 muzzle break with crush washer 5/8x24 threaded 300 AAC, 7.62x39, 7.62x51, 308 ETC MUZZLE BRAKE SHORT RIGHT HAND THREAD LENGTH: 1.75" N.W. (OZ): 2.1 FEATURES: HEAT TREATED EROSION RESISTANT REDUCES CLIMB