The SIG SAUER P320 XTEN Endure 10mm Striker-Fired Pistol has a 5-inch bull carbon steel barrel, a Cerakote finish and a capacity of 15+1 rounds. This optics-ready handgun has a Picatinny rail and a stainless steel frame and serrated slide. XRAY 3 day and night sights, an Xseries flat trigger and an Endure LXG polymer grip round out this firearm. SIG SAUER P320 XTEN Endure 10mm Striker-Fired Pistol - Handgun Semiauto Center Fire at Academy Sports