Ruger Security-9 9mm

Updated August 24, 2026

This Ruger Security-9 semi-automatic pistol is chambered in 9mm and offers a straightforward modern configuration from one of America’s best-known firearms manufacturers. Serial number 385-55185, this example features an approximately 4" barrel with a shiny bore and remains in good overall condition. The pistol is built around a lightweight polymer frame with a textured synthetic grip, paired with a steel slide and practical fixed sights. One magazine is included. Ruger designed the Security-9 to provide a practical combination of capacity, manageable dimensions, and familiar handling characteristics while maintaining an affordable price point. The pistol incorporates a hammer-fired operating system influenced by Ruger’s compact LCP II design rather than the striker-fired arrangement commonly encountered on many competing polymer pistols. With its 4" barrel, shiny bore, included magazine, good condition, and versatile 9mm chambering, this is a clean and practical example of the popular Ruger Security-9. Please see photos. Ruger Security-9 9mm Semi 4 Shiny 385-55185 Good

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