The HK MR762A1 is the semi-auto civilian version of the HK417 battle rifle, chambered in 7.62x51mm NATO. Features HK cold-hammer-forged barrel, HK proprietary gas piston system, and premium fit and finish. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: 7.62x51mm Capacity: 20 Year introduced: 2011, Germany Weight: 9.3 oz Overall length: 38" Status: Active Military use: Yes Intended use: Precision, Tactical, Collector