ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,167, issued on April 29, was assigned to F.M. Products Inc (Boise, Idaho).

"Firearm" was invented by Paul T. Noonan (Boise, Idaho) and Aaron Neal Trout (Boise, Idaho).

According to the abstract* released by the U.S. Patent & Trademark Office: "A firearm is disclosed. The firearm contains a lower receiver containing a first opening, wherein the first opening is configured to accommodate a firing mechanism, an upper receiver removably coupled with the lower receiver, a barrel removably coupled with the upper receiver, a bolt carrier assembly positioned within the upper receiver, wherein the bolt carrier assembly is movable between a locked position and an unlocked position, wherein ...