Sig Sauer P320X Full 9mm

Updated August 24, 2026

This SIG Sauer P320 X-Full semi-automatic pistol is chambered in 9mm and comes outfitted with a desirable SIG Sauer ROMEO red dot sight. Serial number 58H309633, this example features an approximately 4.5" barrel with a shiny bore and presents in very good overall condition. The pistol utilizes SIG Sauer’s X-Series polymer grip module and full-size frame paired with a steel slide, giving it the performance-oriented ergonomics associated with the X-Full configuration. A SIG Sauer ROMEO optic is mounted to the slide, providing a quality electronic sight that complements the pistol’s modern design. Three magazines are included along with the original SIG Sauer hard case, making this a particularly complete package. The P320 has become one of SIG Sauer’s most important modern handgun platforms, and the X-Series adds upgraded ergonomics and styling to the modular design. With three magazines, factory case, SIG optic, and very good condition, this is an appealing P320 package. Please see photos. Sig Sauer P320X Full 9mm Semi 4.5 Shiny 58H309633 Very Good

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