The Mossberg 930 All-Purpose Field with 26-inch vent-rib barrel is the most versatile configuration in the 930 lineup. Suitable for upland birds, clay sports, and light waterfowl. Accu-Choke system included. Self-regulating gas operation. Type: Semi-Automatic Shotgun Action: Gas-Operated Caliber: 12 Gauge Capacity: 5 Year introduced: 2006, USA Weight: 7.5 oz Overall length: 46" Status: Active Intended use: Field, Hunting, Sport Shooting