The original P320 Nitron — modular full-size striker-fired pistol that won the U.S. Army MHS competition. Standard Nitron finish, interchangeable caliber modules, pre-Pro-Cut slide. Type: Pistol Action: Semi-Automatic Caliber: 9mm Luger Capacity: 17 Year introduced: 2014, USA Weight: 24.9 oz Overall length: 7.2" Status: Active Intended use: Service, Personal Defense