PISTOL: FN MODEL 509 IMPORTED BY FN /USA, SERIAL NUMBER GKS0201634, SEMI-AUTO, 9 MM Notes: Our FN 509 is in good condition with the original case and 2 mags, both magazines have a rivet placed at the 14 round mark. **FN 509 9mm** The FN 509 is a modern striker-fired pistol chambered in 9mm, designed for dependable performance, durability, and comfortable handling. Built with a rugged polymer frame and ergonomic grip, the FN 509 combines proven FN engineering with a practical, versatile design suitable for range use and everyday applications. **Caliber:** 9mm **Action:** Semi-Automatic, Striker-Fired **Frame:** Polymer **Configuration:** Full Size **Magazine:** Detachable Box Magazine **Manufacturer:** FN **Model:** 509 The FN 509 delivers reliable performance, modern ergonomics, and the proven versatility of the 9mm cartridge.