US Patent Issued to SureFire on March 24 for "Cam race for improved upper receiver longevity" (California Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,703, issued on March 24, was assigned to SureFire LLC (Fountain Valley, Calif.).

"Cam race for improved upper receiver longevity" was invented by Barry William Dueck (Fountain Valley, Calif.), Henry Mumford (Fountain Valley, Calif.), Michael Standen (Fountain Valley, Calif.) and Eric Chow (Fountain Valley, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and methods are provided for a cam race for improving the longevity of an upper receiver of a direct gas operated firearm. The cam race provides a hardened slide face and a corner surface for a cam pin comprising a bolt carrier group of the firearm. The cam race is configured to b...