FN America Law Enforcement 509 MRD FOS, Striker Fired, Semi-automatic, Polymer Frame Pistol, Full Size, 9MM, 4″ Cold Hammer Forged Barrel, Black, Interchangeable Grip Backstraps, Fiber Optic Sights, Optics Ready ACRO Mounting Plate Included, 2-17Rd, 3-24Rd Magazines
| UPC | 845737016890 |
| Action | SEMI AUTOMATIC |
| Barrel Length | 4 BARREL |
| Caliber | 9MM LUGER (9X19 PARA) |
| Capacity | 17 / 24 ROUNDS |
| Finish | BLACK |
| Weight | 1.8 LBS. |