The Mossberg 500 Hunting Combo is a package deal including two interchangeable barrels — a vent-rib field barrel and a rifled slug barrel — allowing one gun to handle both bird hunting and deer season. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 5 Year introduced: 1961, USA Weight: 56 oz Overall length: 47.5" Status: production Intended use: hunting