Melvin Johnson's competing semi-automatic rifle design that lost the US Army trials to the M1 Garand but was adopted by the US Marine Corps, Dutch East Indies forces, and OSS. The rotary magazine held 10 rounds versus the Garand's 8. Type: Rifle Action: Semi-Automatic Caliber: .30-06 Sprg Capacity: 10 Year introduced: 1941, USA Weight: 9.5 oz Overall length: 45.9" Status: Discontinued Military use: Yes Intended use: Military, Collecting