The P320 Full Size chambered in .357 SIG brings the high-velocity bottlenecked cartridge into the modular P320 platform. Shares magazines and grip modules with the .40 S&W variant — converting between .357 SIG and .40 S&W requires only a barrel swap. Offered to agencies that have standardized on .357 SIG who want the P320's modular benefits. Type: Pistol Action: Striker-Fired Caliber: .357 SIG Capacity: 14 Year introduced: 2014, USA Weight: 29.6 oz Overall length: 8" Status: Active Intended use: duty, law_enforcement