ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,245, issued on Dec. 23, was assigned to Ares Defense Systems Inc. (Melbourne, Fla.).

"Firearm receiver systems offering a fixed-barrel arrangement and pressure relief capability" was invented by Geoffrey A. Herring (Melbourne, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A firearm receiver system comprises a receiver and a handguard. The receiver includes a front mounting body and a central bore configured for having a bolt carrier slidably disposed therein. The central bore includes a barrel-receiving receptacle at least partially located within the front mounting body. The handguard includes a handguard mounting body receptacle at a first e...