PISTOL: SIG SAUER MODEL 320F-9FM17-MS, SERIAL NUMBER M17A133919, GOLD, YES - INCLUDES ORIGINAL BOX, 4IN, 9X19MM, SEMI - AUTOMATIC Notes: The SIG Sauer P320 320F-9-M17-MS is a full-size, semi-automatic 9mm pistol in SIG Sauer's P320/M17 family. The model is based on the military M17 configuration and features a modular striker-fired design. General description Manufacturer: SIG Sauer Model: P320 M17 - 320F-9-M17-MS Type: Semi-automatic pistol Caliber: 9mm Luger Action: Striker-fired Configuration: Full-size Barrel length: Approximately 4.7 inches Overall length: Approximately 8 inches Finish: Coyote-tan PVD slide on the M17 configuration Manual safety: Yes, indicated by the MS designation Magazine: 17-round standard capacity in the referenced configuration The P320 platform is notable for its modular design, allowing different grip-module and slide configurations within the P320 system. The M17 represents the full-size configuration selected by the U.S. military as part of its Modular Handgun System.