The Mossberg 835 Ulti-Mag is built around an overbored 3.5-inch magnum chamber and a .775-inch bore diameter, allowing it to handle 3.5-inch magnum shells for maximum pellet counts in waterfowl hunting while also accepting standard 2.75-inch and 3-inch loads. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 5 Year introduced: 1988, USA Weight: 7.75 oz Overall length: 48" Status: Active Intended use: Hunting/Waterfowl