The P320 Full-Size is the original full-size variant of SIG's modular striker-fired platform. The P320 won the US Army MHS competition in 2017 and is now designated the M17. The Full-Size features the large grip module, 4.7-inch barrel, and 17-round magazine. It shares serialized fire control units with every other P320 module, enabling caliber and size conversion with no tools. Type: Semi-Automatic Pistol Action: Striker-Fired Caliber: 9mm Luger Capacity: 17 Year introduced: 2014, USA Weight: 29.4 oz Overall length: 8" Status: Active Military use: Yes Intended use: duty, military, law_enforcement