Melvin Johnson's rotary-magazine semi-automatic rifle that competed against the M1 Garand for the main service rifle contract. Selected by the USMC Raiders and Dutch East Indies forces when Garand production couldn't keep up. Type: Rifle Action: Semi-Automatic Caliber: .30-06 Springfield Capacity: 10 Year introduced: 1941, USA Weight: 243.2 oz Overall length: 45.87" Status: Discontinued Military use: Yes Intended use: Service, Military