The IMBEL MD1 is a brazil-made semi-automatic rifle chambered in 7.62x51mm NATO, introduced in 1964. Primary use: sport, military, hunting. Type: Rifle Action: Semi-Automatic Caliber: 7.62x51mm NATO Capacity: 20 Year introduced: 1964, Brazil Weight: 104 oz Overall length: 43.5" Status: Discontinued Intended use: sport, military, hunting