HomeAccessoryYhm-5m2-QdYhm-5m2-QdYankee Hill Machine CompanyLog in to view prices Guaranteed safe checkout SKU: YHM-5M2-QD Categories: Accessory, Silencer Mounts Product ID: 275643 Description Description MUZZLE BRAKE 5.56 QD 1/2-28 Specifications Short Stroke Gas Piston Gas System (Rifle Length) 18.6″ Barrel Length ( Mid-Weight style, non-fluted) 1:8 Twist Rate Rifling Reviews (0) Related products Wnxskel34tw Log in to view prices Read more Su132438 Log in to view prices Read more Bu420161 Log in to view prices Read more