Winchester Repeating Arms SXP, Marine Defender, Pump Action, 12Ga 3, 18, Hard Chrome/Black Finish, Synthetic Stock, Cylinder Choke, 5Rd, Bead Sight 512268395 Pick up the new Winchester(R) SXP shotgun and experience the light weight, centered balance and instant pointability firsthand. The Super X design provides you with the fastest follow-up shots. No other pump offers the feeling of an inertia-assisted slide-action that can deliver three shots in a half second.