JAM NUT / LOCKNUT - STEEL - 9/16"x24 THREAD

Colonel Mustard jam nuts / lock nut. Use as an alternative to a crush washer to lock your muzzle brake or flash hider in place. Screws onto M14 x 1 (RH) threaded barrels. This has a right hand (RH) thread for VZ-58/CZ-858 or similar. CMMB76-M14RHJN.

Colonel Mustard jam nuts / lock nut. Use as an alternative to a crush washer to lock your muzzle brake or flash hider in place. Screws onto M15 x 1 (RH) threaded barrels. CMMB76-M15RHJN.

Colonel Mustard jam nuts / lock nut. Use as an alternative to a crush washer to lock your muzzle brake or flash hider in place. Screws onto M18 x 1 (RH) threaded barrels. CMMB76-M18RHJN.