Waterfowl-specific 500 with Mossy Oak Shadow Grass camouflage, 28-inch vent-rib barrel, and aluminum-compatible choke tubes for use with non-toxic shot. Corrosion-resistant finish for marsh conditions. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 5 Year introduced: 1985, USA Weight: 7.5 oz Overall length: 48.5" Status: Active Intended use: Hunting