The Winchester Model 1897, commonly called the Model 97, was the first commercially successful pump-action shotgun with an exposed hammer and slide action. The 30-inch full-choke barrel was the standard sporting configuration and is the most commonly encountered variant in original condition. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 5 Year introduced: 1897, USA Weight: 8 oz Overall length: 50.5" Status: Discontinued Military use: Yes Intended use: Collecting/Historical