Inland Manufacturing Division of General Motors was the largest producer of M1 Carbines in WWII with over 2.6 million units. Inland carbines are among the most sought-after GI variants. Type: Rifle Action: Semi-Automatic Caliber: 30 Carbine Capacity: 15 Year introduced: 1942, USA Weight: 112 oz Overall length: 35.6" Status: Discontinued Military use: Yes Intended use: Military, Collector