Description FN 509 Tactical FDE chambered in 9mm with one, ten round removable magazine and a 4″ recessed target crown barrel. Textured polymer frame with interchangeable backstraps, ambidextrous magazine release, and a MIL-STD-1913 accessory mounting rail. FDE slide with front and rear cocking serrations, ambidextrous slide stop, loaded chamber indicator, and FN Low Profile Optics Mounting System™. Suppressor height Trijicon three dot green tritium night sights with sight protector. Comes in its factory box with FN soft case, owners manual, optic mounting plates and tools Must ship to a FFL holder. Condition: Excellent with very light wear from normal handling/operation. Bright and clean rifled bore. Barrel Length: 4″ Serial: GKS0049453 Manufacturer: FN AMERICA LLC (FNH USA) Caliber: 9x19mm Parabellum Model: 509 Book# 04334