The Copolla TR-12 is a semi-auto mag fed AR styled shotgun. It is a piston-driven shotgun that is a great choice for home defense, tactical training, and shooting at the range. This shotgun features polymer flip-up sights, an aluminum rail, an AR-style lower receiver, an adjustable cheek riser, and two (5) round magazines. You can reliably shoot target, game, and field loads with this shotgun with a simple break-in period. Shop with KYGUNCO for the best selection, competitive pricing, and exceptional customer service.