SHOTGUN: EMPEROR FIREARMS MODEL MAJOR 12, SERIAL NUMBER 24MAJ0287, BLACK (MATTE), CASE NOT INCLUDED, SEMI - AUTOMATIC, 12 GAUGE, 18.5, WITH MAG Emperor Major 12 - 12 Gauge Shotgun The Emperor Major 12 is a 12-gauge shotgun designed for general sporting and field use. This model features a conventional shotgun configuration with a 12-gauge chamber and standard controls. Condition good, barrel length 18.5", capacity 5 rounds.