The Benelli M2 Field in 20 gauge with 28-inch barrel adds barrel length for improved swing-through on waterfowl and pheasant while retaining the sub-6-pound weight advantage of the 20 gauge platform. The Inertia Driven system handles 2.75-inch and 3-inch 20 gauge loads without adjustment. Type: Shotgun Action: Semi-Automatic Caliber: 20 Gauge Capacity: 4 Year introduced: 2004, Italy Weight: 5.5 oz Overall length: 49.2" Status: Active Intended use: hunting, upland, waterfowl, Hunting, Sport