# U.S. Arms

## About

U.S. Arms Company builds AR-pattern rifles, pistols and upper assemblies, and markets its patented Cam Lock lower receiver as giving a very tight fit to any mil-spec upper. The M4 UTAW Pro is its main rifle, chambered in .300 AAC Blackout and 5.56 NATO with a direct impingement action and a 16-inch barrel, and the UTAW Champion is a .300 Blackout AR pistol. The company also sells stripped multi-calibre Cam Lock lower receivers and complete 16-inch .300 Blackout uppers, in black and camouflage Cerakote.

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*Data from [GunsNation](https://gunsnation.com)*