SIG SAUER(R) P320 XTEN is a 10mm Auto semi-auto pistol with a 5 in. carbon steel bull barrel and 10+1 capacity. It pairs a black Nitron optic-ready stainless steel slide with a black X Full-Size polymer grip module M1913 rail and XRAY3 day night sights. This configuration uses a flat X trigger front and rear slide serrations and includes two 10 round steel magazines.Key Features5 in. carbon steel bull barrel chambered in 10mm Auto.10+1 capacity with Semi-Auto striker-fired operation.Black Nitron optic-ready stainless steel slide with front and rear serrations.Black X Full-Size polymer grip module with M1913 accessory rail.XRAY3 day night sights with PRO footprint optic cut.Includes two 10 round steel magazines.SIG SAUER(R) designs training ready platforms that emphasize realistic controls durable construction and modern accessory compatibility. The brand's airgun lineup mirrors popular centerfire models to support economical practice and familiar handling. From M-LOK furniture to rail ready setups SIG SAUER products are built to help shooters stay consistent between range sessions.