Diamondback Firearms DB9 9mm

Updated August 24, 2026

This Diamondback Firearms DB9 semi-automatic pistol is chambered in 9mm and offers an exceptionally compact centerfire handgun configuration. Serial number YJ479, this example features an approximately 3" barrel with a shiny bore and is in fair overall condition. The pistol utilizes a lightweight polymer frame with a textured synthetic grip paired with a steel slide and minimalist striker-fired operating system. One magazine is included. Diamondback developed the DB9 as an ultra-compact 9mm platform designed around reduced dimensions and light weight, giving it a distinctly slim and abbreviated profile compared with conventional compact pistols. The model has become one of Diamondback’s most recognizable handgun offerings and stands out for packing the popular 9mm chambering into a very small frame. With its shiny bore, included magazine, and compact proportions, this is a straightforward example of the Diamondback DB9 platform. Please see photos. Diamondback Firearms DB9 9mm Semi 3 Shiny YJ479 Fair

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