The SIG SAUER(R) P320 SXG Reserve is a full-size striker-fired pistol chambered in 9mm Luger. It features a 3.9-inch stainless steel barrel a steel grip module and a high-polish black DLC finish. This configuration provides a 21+1 capacity.The stainless steel slide incorporates an integrated compensator and a PRO optics-ready footprint. GridLOK grip panels a flat-faced trigger and X-RAY3 day/night sights complete the pistol. Three 21-round steel magazines are included.Key Features:Caliber: 9mm Luger.Action: Striker-fired semi-automatic.Barrel: 3.9-inch stainless steel barrel; non-threaded.Capacity: 21+1.Slide: Stainless steel with an integrated compensator.Finish: High-polish black DLC.Grip: Steel SXG grip module with GridLOK panels.Sights: X-RAY3 day/night sights.Optics: PRO optics-ready footprint.Includes: Three 21-round steel magazines.About SIG SAUER(R)SIG 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.