The MP5A3 features a collapsible metal stock that folds and telescopes, allowing compact storage while retaining full-length shooting capability. The most popular MP5 variant for law enforcement worldwide. The collapsible stock makes it equally suitable for vehicle operations and close-quarters use. Type: Submachine Gun Action: Roller-Delayed Blowback Caliber: 9mm Capacity: 30 Year introduced: 1969, Germany Weight: 5.6 oz Overall length: 25.98" Status: Active Military use: Yes Intended use: Law Enforcement, Military Use, Special Operations