HK416 with 10.4-inch barrel — short-barreled variant for CQB and special operations. Used by USSOCOM, Delta Force, and other elite units. The barrel length that made the HK416 famous during Operation Neptune Spear. Type: Carbine Action: Gas-Operated Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2005, Germany Weight: 126.4 oz Overall length: 33.7" Status: Active Military use: Yes Intended use: military, law_enforcement