TriStar G23146 CobraIII: A Versatile 12GA. Pump Shotgun with 3\" Chamber and 28\" Vent RibThe TriStar Cobra III Field Pump Shotgun, model G23146, is an adaptable 3\" pump action shotgun that caters for varying ammunition needs, from lightweight target loads to heavy waterfowl loads. The highlight of this matte blued/black synthetic shotgun is its removable choke system that employs Beretta/Benelli Mobil Threads. This model comes complete with three choke tubes (IC, M, F), a choke box, and a wrench. Furthermore, the Cobra III Field boasts a robust injection-molded stock and forearm, a rubber recoil pad, swivel studs, and a fiber optic sight, adding to its superior durability and user-friendly design.