The Winchester SX4 Waterfowl Hunter is optimized for duck and goose hunting with Mossy Oak Shadow Grass Blades camo, 28-inch vent-rib barrel, and back-bored Invector-Plus chokes for steel shot. Active Valve gas system handles 3.5-inch steel loads. Type: Semi-Automatic Shotgun Action: Gas-Operated Caliber: 12 Gauge Capacity: 4 Year introduced: 2017, USA Weight: 6.75 oz Overall length: 49" Status: Active Intended use: Hunting, Waterfowl