The Mossberg 500 in 20 gauge with a 26-inch barrel is a lighter, faster-handling field gun popular with youth and smaller-framed shooters for upland hunting. Type: Shotgun Action: Pump-Action Caliber: 20 Gauge Capacity: 5 Year introduced: 1961, USA Weight: 6.5 oz Overall length: 46" Status: Active Intended use: Hunting