ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,771, issued on March 31, was assigned to KNDS FRANCE (Versailles, France).

"Large-caliber gun having a breech assembly with multiple chambers" was invented by Steve Baert (Bourges, France), Frederic Hubschwerlen (Bourges, France) and Marc Gauci (Bourges, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A large-calibre firearm including a breech assembly including a breech block rigidly connected to a firearm barrel, a breech support movable in axial translation relative to the breech block and coupled to a breech head, the assembly further includes a plurality of loading chambers, a mechanism for moving the chambers, configured to support the ...