SHOTGUN: BH BEST ARMS MODEL BA312, SERIAL NUMBER 20SA-01340, BLACK (MATTE), CASE NOT INCLUDED, 12, 12 GAUGE, PUMP Notes: The BH Best Arms BA312 is a well-appointed semi auto chambered in 12 gauge, offering a classic design with practical handling and versatility. Traditional styling and straightforward controls make it a solid choice for sporting use, hunting, or the shotgun enthusiast looking for a dependable field gun.