"The Dead Air Wolfman Suppressor with Key Micro Muzzle Brake and Adapter is a modular, multi-caliber Silencer designed for use on SMGs, pistol-caliber carbines, light-duty rifles, and pistols. It's made from fully welded 17-4 stainless steel and can be used in long form or short form. In long form, it measures 7.5"" and weighs 14.4 ounces; in short form, it measures just 5.13"" and 9.8 ounces. The Wolfman Silencer can handle everything from 9mm all the way up to .350 Legend. If your firearm is in that caliber range and produces no more than 2,000 ft.-lbs. of energy, the Wolfman will fit it. It's even full-auto rated for 9mm and other smaller pistol cartridges. It's incredibly versatile and will even work on pistols with the addition of a booster kit (not included). The model comes with a Key Micro muzzle brake and adapter for quick and easy attachment/detachment. Highly versatile Suppressor for sub-guns, light-duty rifles, PCCs, and pistols Can also handle 9mm, 5.56 NATO, 7.62x39mm, .300 BLK, .357 Magnum, and .350 Legend Full-auto rated with 9mm and smaller pistol cartridges Supports an energy rating of up to 2,000 ft.-lbs. Can be configured in long form (7.5"") and short form (5.13"") Made from 17-4 stainless steel Works on pistols with the addition of a booster (not included) Includes Key Micro muzzle brake and adapter for quick attachment"