The Century Arms Centurion BP-12 Shotgun delivers superior performance and consistency with a reliable and durable semi-automatic bullpup shotgun platform. Features include flip-up sights, a rubber recoil pad, and a 5 round magazine. This model comes with two interchangeable pistons allowing you to shoot 2-3/4” and 3” shells interchangeably with any ammunition of the proper gauge for your firearm with flawless performance. With proper care and handling, it will give you long, reliable service.