The MP7A1 is the updated first-generation production variant of the MP7 with an improved folding foregrip, Picatinny rails on all four faces, and revised stock. It became the standard production configuration and the version most widely issued to German KSK, GSG-9, and allied special operations units. Type: Personal Defense Weapon Action: Gas-Operated Caliber: 4.6x30mm Capacity: 20 Year introduced: 2003, Germany Weight: 4.2 oz Overall length: 24.8" Status: Active Military use: Yes Intended use: Special Operations, Military Use, Law Enforcement