The HK416 C (Compact) is the ultra-short pistol-configuration HK416 A5, featuring a 9-inch barrel and specifically redesigned lower receiver with folding stock capability for military close-protection use. In the US market it is imported as a pistol. The self-regulating piston provides reliable function at 9 inches. Used by European diplomatic protection units who need maximum firepower in the smallest legal package. Type: Pistol Action: Semi-Automatic Caliber: 5.56x45mm Capacity: 30 Year introduced: 2016, Germany Weight: 73 oz Overall length: 22.5" Status: Active Military use: Yes Intended use: military, close_protection, special_operations