FN BROWNING MODEL A-500G 12 GA SEMI AUTO SHOTGUN FN Browning Model A-500G 12 Gauge semi Automatic shotgun. 2.75"-3" shells. Invector chokes. Blued finish. Vented rib barrel with bead front sight. Checkered wood stock with rubber recoil pad. Caliber / Gauge: 12 Barrel Length: 28.5" Serial Number: 351NX07656 Very nice gun