The MP5K is the ultra-compact pistol variant of the MP5 family, featuring a 4.5-inch barrel and vertical front grip, used by executive protection details and special operations for vehicle insertion and close protection. Type: Semi-Auto Pistol Action: Roller-Delayed Blowback Caliber: 9mm Capacity: 30 Year introduced: 1976, Germany Weight: 5 oz Overall length: 13" Status: Active Military use: Yes Intended use: Military, Law Enforcement, Special Operations