The standard Mossberg 500 Field in 12 gauge with a 26-inch vent-rib barrel. Dual extractors, ambidextrous tang safety, and an aluminum receiver keep weight down while the 3-inch chamber handles the full range of field loads. The best-selling pump shotgun in U.S. history. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 5 Year introduced: 1961, USA Weight: 112 oz Overall length: 46" Status: Active Intended use: Hunting, Field, Upland, Waterfowl