What sets The Mask apart is its marvelous performance and the ease with which it can be disassembled. With little to no first-round-pop on both rifles and pistols, it provides a balance of performance, weight, and extraordinary cleaning intervals that are unmatched by the competition. Product Features User Serviceable: You can fully disassemble the Mask down to the last baffle. Rimfire can be dirty, so we make cleaning easy for you. Baffle Stand-Offs Adaptable Multi-Caliber Product Specifications .22LR, 22MAG, 17HMR, 17WSM to 5.7 28 Energy Rating: 850 ft lbs Bore Diameter: .22 caliber Length: 5.1 inches Diameter: 1.070 inches Weight: 6.6 ounces Materials: 17-4 Stainless Steel Baffles, Titanium 3Al-2.5V Grade 9 Tube Finish: Black or FDE Cerakote or Satin bead-blasted Usage: Heavy-duty use rimfire suppressor