The Winchester Model 1300 Defender is a usa-made pump-action shotgun chambered in 12 Gauge, introduced in 1978. Primary use: hunting, home_defense. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 5 Year introduced: 1978, USA Weight: 100 oz Overall length: 47.5" Status: Discontinued Intended use: hunting, home_defense