HK416 with 20-inch barrel for maximum velocity and sustained accuracy. DMR-length configuration used by police marksmen and military snipers needing 5.56mm precision beyond 300m. The longest standard production HK416 barrel length. Type: Rifle Action: Gas-Operated Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2008, Germany Weight: 126.4 oz Overall length: 33.7" Status: Active Military use: Yes Intended use: military, law_enforcement