The MP5A2 is the standard fixed-stock variant of the iconic MP5 submachine gun family. Chambered in 9mm Parabellum with an 8.86-inch barrel, it uses the same roller-delayed blowback system as the G3 and HK33. The MP5 became the definitive counterterrorism weapon of the late 20th century, adopted by Germany's GSG-9, the British SAS, and more than 40 other nations. Type: Submachine Gun Action: Semi/Full-Auto Caliber: 9mm Capacity: 30 Year introduced: 1966, Germany Weight: 84.8 oz Overall length: 19.3" Status: Active Military use: Yes Intended use: military, law_enforcement, special_operations