The HK417 in 12-inch barrel configuration is the short carbine version of the 7.62mm HK417 designated marksman and battle rifle. It uses the same short-stroke piston system as the HK416. The 12-inch barrel offers a compact package at significant cost to 7.62mm ballistic performance, primarily useful for close-quarters breaching. Type: Rifle Action: Semi/Full-Auto Caliber: 7.62x51mm Capacity: 20 Year introduced: 2006, Germany Weight: 137.6 oz Overall length: 26.4" Status: Active Military use: Yes Intended use: military, special_operations