FEATURES-Gunfighter Compensator -Fits 308/300AAC-Mod 1 7.62 5/8X24-Tuned slots and interior cone offer maximum in recoil mitigations compensation of muzzle-rise and flash reduction.-Dual action brake minimizes side pressure and designed to have much less noise associated with typical compensators. Makes it perfect for working in teams for CQB. It is a compensator that is built for the 21st Century Gunfighter.-Stainless Steel construction for maximum corrosion resistance -Includes a Crush Washer -Should be installed by a qualified armorer.