The TPI Titanium Full Port Muzzle Brake comes in three sizes -- 30 cal. 5/8x24, 30 cal. 1/2x28 and 22 cal 1/2x28. This Titanium Muzzle Brake is designed by a master gunsmith and is one of the best and lightest on the market. The spiral port outlets along with the parabolic internal taper significant... See More