The MP7 is HK's personal defense weapon chambered in the proprietary 4.6x30mm cartridge, designed to penetrate NATO CRISAT body armor at 200 meters while remaining compact enough for vehicle crews and support personnel. The PDW fills the gap between a pistol and a carbine. Adopted by German special forces, British SAS, and numerous other NATO SOF units. Type: Personal Defense Weapon Action: Gas-Operated Caliber: 4.6x30mm Capacity: 20 Year introduced: 2001, Germany Weight: 4.2 oz Overall length: 24.8" Status: Active Military use: Yes Intended use: Special Operations, Personal Defense, Military Use, Vehicle Crew