This new Benelli M2 Field shotgun fires the 20 ga. shell. It has a 24" vented rib barrel with an overall Advangage Timber Hardwood finish. This semi-auto shotgun has the ComforTech stock for reduced recoil, and features the Inertia Driven Bolt system. It comes with 5 Crio chokes, hardcase, manual, & oil. This lightweight shotgun holds 3 rounds.