The SP89 was the civilian-market semi-automatic pistol version of the HK MP5K, produced before the US import restrictions tightened further. Featuring the MP5K-length barrel and receiver in a pistol configuration without a stock, it is among the most sought-after HK collector firearms in the US market. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 15 Year introduced: 1989, Germany Weight: 4.4 oz Overall length: 13" Status: Discontinued Intended use: Collector, Range