US Patent Issued to Smith & Wesson on April 21 for "Last round hold open" (Connecticut Inventor)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,424, issued on April 21, was assigned to Smith & Wesson Inc. (Maryville, Tenn.).

"Last round hold open" was invented by Simon M. Muska (Enfield, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An assembly for holding a bolt of a firearm in an open position is disclosed. The assembly comprises a bolt catch pivotable about a first axis toward and away from a catching position. In the catching position, a portion of the bolt catch is within a path of travel of the bolt. A follower transfer adapter is pivotable about a second axis. The follower transfer adapter includes an engagement portion that is configured to engage a follower of a magazine. O...