Inland Division of General Motors M1 Carbine, the single largest producer of M1 Carbines during WWII, manufacturing over 2.6 million rifles. Type: Carbine Action: Semi-Automatic Caliber: 30 Carbine Capacity: 15 Year introduced: 1943, USA Weight: 58 oz Overall length: 35.65" Status: Discontinued Military use: Yes Intended use: Carbine, Paratrooper, Secondary Infantry