The Sig Sauer P320 M18 9mm is a germany-made striker-fired pistol chambered in 9mm Luger, introduced in 2019. Primary use: self_defense, sport. Type: Pistol Action: Striker-Fired Caliber: 9mm Luger Capacity: 15 Year introduced: 2019, Germany Weight: 24.9 oz Overall length: 7.2" Status: Active Intended use: self_defense, sport