Sig Sauer P320X Full 9mm

Updated August 24, 2026

This SIG Sauer P320 X-Full semi-automatic pistol is chambered in 9mm and represents the performance-oriented full-size version of SIG Sauer’s highly successful modular P320 platform. Serial number 58J406668, this example features an approximately 4.5" barrel with a shiny bore and remains in good overall condition. The pistol utilizes SIG Sauer’s X-Series polymer frame and aggressively textured synthetic grip paired with a steel optic-cut slide, allowing the next owner to install a compatible red dot sight. Two magazines are included along with the original SIG Sauer hard case. The P320’s modular fire-control system helped establish the design as one of SIG Sauer’s most significant modern handgun platforms, while the X-Series added enhanced ergonomics and competition-inspired styling. With its full-size configuration, optic-ready slide, two magazines, factory case, shiny bore, and respected SIG Sauer name, this is an appealing and nicely complete P320 X-Full package. Please see photos. Sig Sauer P320X Full 9mm Semi 4.5 Shiny 58J406668 Good

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