Civilian pistol-format HK MP5. Roller-delayed blowback, 9-inch barrel, no stock. Legal as a pistol without NFA. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 30 Year introduced: 2019, Germany Weight: 5.6 oz Overall length: 14.5" Status: Active Military use: Yes Intended use: Tactical / Competition