The Omega 45K is an exceptionally versatile suppressor. The Omega 45K is the smallest, lightest and quietest silencer in it’s class. Full auto rated and usable with pistols, rifles and submachine guns. The Omega 45K offers extreme durability in an ultra compact package and compatible with 9mm, 40 S&W, 45 ACP as well as subsonic and supersonic 300 BLK. With the fully welded, tubeless, minimalist Omega 45K, big sound suppression now comes in a tiny footprint.