The HK417 is the 7.62x51mm NATO version of the HK416, providing the same piston-operated reliability in a larger caliber for extended engagement ranges. Used extensively as a designated marksman rifle and in roles where 5.56mm terminal performance is deemed insufficient. Available in multiple barrel lengths from 12 to 20 inches. Type: Battle Rifle Action: Short-Stroke Gas Piston Caliber: 7.62x51mm NATO Capacity: 20 Year introduced: 2006, Germany Weight: 9.04 oz Overall length: 35.43" Status: Active Military use: Yes Intended use: Military Use, Designated Marksman, Special Operations