Sig Sauer(R) P320 M.O.D. is a full-size semi-automatic pistol chambered in 9mm Luger. It features a 3.90 in black barrel a matte black DLC stainless steel slide with porting and serrations and a black stainless steel frame with Picatinny accessory rail. This 21-round configuration includes an optic and features the M.O.D. X full-size configuration for performance-oriented shooting.Key Features 3.90 in black barrel chambered in 9mm Luger Semi-automatic operation with 21-round detachable magazine Matte black DLC stainless steel slide with porting and serrations Optics-equipped configuration for rapid sight acquisition Black stainless steel frame with Picatinny accessory railSIG SAUER(R) produces firearms with a strong emphasis on modern engineering modularity and duty grade performance across its catalog. The brand is widely known for handguns rifles optics and related products developed for military law enforcement defensive and sporting applications. SIG Sauer(R) products are recognized for durable construction practical innovation and broad platform support across a wide range of configurations.