Sig QD Taper-Lok Muzzle Brake Mount For 5/8-24 TPI

Aligns and secures both the mount to the gun and then the silencer to the mount. Self-centering and very secure interface. Mount is a three-piece assembly consisting of the rear mount unit semi-permanently attached to the gun’s muzzle, a crush washer and finally an interchangeable tip. Simple one-handed use.