WWII military configuration of the Winchester Model 12 with heat shield and bayonet lug. Used by US military in WWII and Korea. More refined than the M1897. Hammerless design. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 6 Year introduced: 1918, USA Weight: 128 oz Overall length: 39" Status: Discontinued Military use: Yes Intended use: Military, Collector, Home Defense