The Heavy Duck was chambered for 3-inch 12 gauge shells at a time when 3-inch loads were being developed for waterfowl. Heavier receiver construction and a 30 or 32-inch full choke barrel for long-range goose work. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 5 Year introduced: 1935, USA Weight: 108 oz Overall length: 50" Status: Discontinued Intended use: Hunting