ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,771, issued on July 14, was assigned to Ares Defense Systems Inc. (Melbourne, Fla.).

"Caliber and feed-side convertible firearm" was invented by Geoffrey A. Herring (Melbourne, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a firearm including a main body having attached thereto a trigger group, a belt feed mechanism, a bolt carrier group, a barrel extension group, a belt box mount, and a stock assembly. The trigger group engages a bottom face of the main body. The trigger group enables fully-automatic mode of operation or select-fire modes of operation (automatic and semi-automatic). The belt feed mechanism is user-selectiv...