The SIG SAUER P320 XTEN 10mm Pistol is a striker-fired firearm that features a carbon steel barrel, a stainless-steel slide and a polymer grip. The pistol is designed with an X straight trigger, XRAY3 day/night sights and an M1913 accessory rail and comes with 2 magazines. SIG SAUER P320 XTEN 10mm Pistol - Handgun Semiauto Center Fire at Academy Sports