Spb Muzzle Brakes - Spb Muzzle Brake 0.375 5/8-24 Threads Square Shoulder Black

SPB MUZZLE BRAKES These fit the plan B type mounts. Always use an alignment rod to ensure that the entire system is set up correctly. Make sure all surfaces are cleaned and the muzzle device has been torqued and Rockset to the barrel. Use on a Q can voids your warranty, be warned. Torque the muzzle device to approximately 15-25ft lbs. Make sure the muzzle device is square against the shoulder. When setting the silencer on the muzzle device, ensure that the threads and tapers are clean. Torque