The HK SP5 is the semi-auto civilian pistol version of the MP5, one of the most iconic submachine guns ever made. Identical to the original MP5 with a pistol brace replacing the stock. Type: Pistol Action: Gas-Operated Caliber: 9mm Capacity: 30 Year introduced: 2019, Germany Weight: 5.6 oz Overall length: 16.5" Status: Active Military use: Yes Intended use: Collector, Home Defense, Tactical