The MP5K is the ultra-compact variant of the MP5 family, shortened to machine pistol length for close protection and vehicle use. The K-variant lacks a stock in its basic form and is issued with a specially designed briefcase carrier by protection details. Used by German GSG-9, US Secret Service, and numerous other protection and special operations units. Type: Submachine Gun Action: Semi-Automatic/Full-Auto Caliber: 9mm Parabellum Capacity: 30 Year introduced: 1976, Germany Weight: 4.4 oz Overall length: 12.8" Status: Active Intended use: Special Operations, Protection Details