What sets The Mask(TM) apart is its marvelous performance and the ease with which it can be disassembled. It provides balance of performance, weight, and extraordinary cleaning intervals that are unmatched by the competition. The Mask(TM) features a blend of titanium and 17-4 PH stainless steel construction for direct thread applications. Rated for: 22 Long Rifle, 22 Magnum, 22 Hornet, 17 HMR, 17 WSM, and 5.7x28mm Features: Length: 5.1" weight: 6.6 oz. Diameter: 1.070" No minimum barrel length Cerakote Black finish Mfg: Dead Air Armament