ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,087, issued on July 28, was assigned to CMC Triggers Corp. (Fort Worth, Texas).

"Firearm trigger mechanism installation device and method" was invented by Jack Richard Biegel (Mansfield, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tool for installing a fire control group in a lower receiver includes a pair of sides. The fire control group includes a set of trigger components and a set of hammer components. The first and second side each have an inner surface and an outer surface, and a recess is formed in each inner surface. When the first and second sides are assembled together, the inner surfaces of the sides contact each other and thei...