The Sig Sauer MPX 9mm Pistol is a usa-made semi-automatic pistol chambered in 9mm Luger, introduced in 2014. Primary use: self_defense, sport. Type: Pistol Action: Semi-Automatic Caliber: 9mm Luger Capacity: 15 Year introduced: 2014, USA Weight: 104 oz Overall length: 29" Status: Active Intended use: self_defense, sport