The HK SP5K is the short-barrel PDW pistol variant of the SP5, corresponding to the military MP5K configuration with a 4.6-inch barrel and no stock. Like the SP5 it is manufactured in Germany to military MP5 specifications using the same roller-delayed blowback action. The SP5K is one of the few factory PDW-format pistols available in the US market at original-manufacturer quality. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 10 Year introduced: 2016, Germany Weight: 84 oz Overall length: 13" Status: Active Intended use: law_enforcement, sporting, collector