Description FN 509M Mid Size chambered in 9mm with two, ten round removable magazines and a 4″ cold hammer forged barrel. Fully textured polymer frame with interchangeable backstrap and under barrel picatinny accessories rail. Polymer striker fired trigger with trigger shoe safety. Black finished slide with optics cut and front/rear cocking serrations. Loaded chamber indicator. Suppressor height iron sights. Comes in its factory box with soft case, paperwork, lock, and optic mounting plates. Must ship to a FFL holder. Condition: Very good/Excellent with light scratches and cosmetic handling wear. Light internal wear from normal operation. Bright and clean bore with strong rifling. Barrel Length: 4″ Serial: GKS0230264 Manufacturer: FN AMERICA LLC (FNH USA) Caliber: 9x19mm Parabellum Model: 509M Book# 07582