The Benelli M2 Field Semi-Auto Shotgun is built to handle fast and use hard. The M2 operates with Benelli's Inertia-Driven System that has proven itself in the field to be ultra-reliable, cycling both 2-3/4" field loads and 3" magnums interchangeably without adjustments. The recoil operated Inertia-Driven System is the epitome of simplicity, with just 3 main parts, that operates cleaner than gas operated semi-automatic shotguns. The M2 uses a rotating bolt head with steel locking lugs that lock into the steel barrel extension creating a steel-to-steel lock that becomes even tighter during firing. The M2's weather resistant synthetic stock together with a dimpled checkering pattern on the pistol grip and fore-end, provide an incredibly secure grip in wet or dry conditions. The buttstock utilizes Benelli's Comfor Tech recoil reduction system that reduces recoil by as much as 48%, enabling shooters to stay on target for fast follow up shots. Benelli uses Crio System barrels on their M2's that feature cryogenically treated barrels with an even-grained, slick surface that minimizes pellet deformation. The Crio choke tubes are also cryogenically treated and extend into the barrel deeper than standard tubes, producing tight, uniform shot patterns that down birds at maximum shotgun range. The M2 Field has a matte black finished barrel with a lightweight ventilated stepped rib, and a red bar front sight and mid bead. The Benelli M2 Field is an outstanding semi-auto shotgun for duck hunting, upland game hunting, or shooting anything that flies. Comes with 5 Crio choke tubes (C, IC, M, IM, F), wrench, and a hard gun case. Strong and simple inertia operation Cycles both 2-3/4" and 3" shells without adjustments Comfor Tech recoil reduction system Crio System barrel and choke tubes Lightweight and fast handling Includes 5 choke tubes and hard gun case