The Astra Astra Model 400 9mm is a spain-made semi-automatic pistol chambered in 9mm Largo, introduced in 1921. Primary use: self_defense, sport. Type: Pistol Action: Semi-Automatic Caliber: 9mm Largo Capacity: 7 Year introduced: 1921, Spain Weight: 26 oz Overall length: 7.5" Status: Discontinued Military use: Yes Intended use: self_defense, sport