The Omega 300 is a lightweight, full auto rated .30 caliber suppressor, optimized for performance and utility. This suppressor is ready for carbines, hunting rifles or precision rifles. The Omega 300 is one of the first suppressors in its class to offer additional customization options through use of the included anchor brake or separately sold caliber-specific front caps. It provides a variety of attachment options by utilizing our Bravo style mounting system. The Omega 300 is the most-sold suppressor, ever. The Omega 300 is a multi-caliber suppressor, rated from .223 REM/5.56 NATO to .300 WM. This suppressor compatible for short barrels down to 7" .300 BLK, 10" 5.56 NAT Mfg: Silencerco