The Heckler & Koch HK417 is a germany-made select-fire rifle chambered in 7.62x51mm NATO, introduced in 2005. Primary use: military. Type: Rifle Action: Select-Fire Caliber: 7.62x51mm NATO Capacity: 20 Year introduced: 2005, Germany Weight: 160 oz Overall length: 38.5" Status: Active Intended use: military