Whether you're shooting trap or upland birds, you can always count on reliable performance from the Stevens 320 Field Grade Combo. The pump shotgun offers smooth cycling, thanks to a proven rotary bolt and dual slide-bars. The tough synthetic stock is up to any task. This Stevens 320 combo package includes both a 28-inch bird barrel and 18-inch security barrel. The 18.5" barrel offers a fixed cylinder choke and the 28" barrel offers interchangeable chokes, comes with a modified choke tube, and uses Win chokes.