ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,781, issued on July 14, was assigned to Atlas Engineering LLC (Sheridan, Wyo.).
"Modular bullpup firearm" was invented by Daniel Peng (Dallas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a downward ejecting bullpup firearm with a detachable magazine having a downward facing ejection port rearward of a magazine well. A top inspection window is positioned substantially in vertical alignment with the magazine well. A charging handle body has a rear portion and a forward portion and is movable between forward and rearward positions. The rearward portion blocks the inspection window when the charging handle body is in the forward position a...