| Brand | FN |
| Category | Pistols |
| Series | Tactical |
| Caliber | 9mm Luger |
| Barrel Length Range | 4" to 4.99" |
| Model | 509 |
| Capacity | 17+1 |
| Action | DAO |
| Frame Finish | Flat Dark Earth |
| OAL | 7.90" |
| Frame Material | Polymer |
| Hand | Right |
| Sight Style | Night |
| Slide Finish | Flat Dark Earth |
| Slide Material | Stainless Steel |
| Slide Description | Serrated Flat Dark Earth Stainless Steel with Optic Cut |
| Grips | Texture Flat Dark Earth Interchangeable Backstrap |
| Sight Configuration | 3-Dot Night, Suppressor Height |
| Includes | 2 Magazines |
| Safety | No Manual |
| Barrel Description | 4.50" Threaded |
| Barrel Length | 4.50" |
| Max Capacity | 24 |
| Weight | 27.90 oz |
| Frame Description | Flat Dark Earth Polymer with Picatinny Rail |
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