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 Pmcz-A6 Log in to view prices Read more Wn7664m Log in to view prices Read more Si8900269 Log in to view prices Read more