The Mossberg 835 Ulti-Mag is a 3.5-inch magnum pump-action with an overbored 0.775-inch bore diameter intended to improve steel shot patterns and reduce felt recoil from heavy loads. The 28-inch configuration is the primary waterfowl and turkey configuration. The 835 was the first production 3.5-inch chamber pump-action. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 5 Year introduced: 1988, USA Weight: 7.5 oz Overall length: 48" Status: Active Intended use: hunting, waterfowl, turkey