This radial muzzle brake reduces recoil and muzzle rise by directing the blast outward and reducing forward flow. It is constructed from alloy steel for strength and durability with a black oxide finish to complement most firearms. This muzzle brake is compatible with Glenfield Rifles chambered in short action calibers including 308 Win, 243 Win and 6.5 Creedmoor. This Genuine Glenfield Factory Accessory is made in the USA.