The Faxon Gunner 7.62 MuzzLok 3-Port Muzzle Brake substantially reduces felt recoil. The Gunner is compatible with barrels chamber in .308 Winchester/7.62×51mm NATO, 6.5 Creedmoor, and .300 AAC Blackout. Utilizing Faxon’s MuzzLok® extension nut, this device allows for easy timing and installation without the need for a crush washer or shims.