The Springfield Armory M14M is a usa-made semi-automatic rifle chambered in 7.62x51mm NATO, introduced in 1972. Primary use: sport, military, hunting. Type: Rifle Action: Semi-Automatic Caliber: 7.62x51mm NATO Capacity: 20 Year introduced: 1972, USA Weight: 128 oz Overall length: 44" Status: Discontinued Intended use: sport, military, hunting