SHOTGUN: JTS FIREARMS MODEL MK-12, SERIAL NUMBER MK2112335, BLACK (MATTE), CASE NOT INCLUDED, 12 GAUGE, SEMI - AUTOMATIC Notes: The JTS M12AK is a semi-automatic 12-gauge shotgun built around an AK-style platform. Combining the familiar appearance and controls of an AK-pattern firearm with the versatility of a detachable-magazine shotgun, the M12AK offers a distinctive option for recreational and sporting use. The M12AK features a gas-operated semi-automatic action, adjustable gas system, detachable box magazine, pistol grip, and rugged construction. Its AK-inspired layout provides familiar ergonomics along with accessory mounting options for shooters who prefer a modern, tactical-style shotgun.