Winchester-produced M1 Carbine from WWII. Winchester designed the original M1 Carbine and was the primary manufacturer, producing nearly 830,000 units during the war. Type: Carbine Action: Semi-Automatic Caliber: 30 Carbine Capacity: 15 Year introduced: 1942, USA Weight: 58 oz Overall length: 35.65" Status: Discontinued Military use: Yes Intended use: Carbine, Paratrooper, Secondary Infantry