
| Brand | Other |
| SKU | — |
| UPC | — |
| Grip | Polymer |
| Action | Semi-Automatic |
| Finish | FDE/Tan |
| Sights | Standard Sights |
| Weight | 25.5 ounces |
| Capacity | 12+1 |
| Grip Safety | No |
| Optic Ready | Yes |
| Barrel Length | 3.7 inches |
| Manual Safety | No |
| Overall Length | 6.8 inches |
| Trigger Safety | Yes |
| Caliber / Gauge | 9mm |
| Threaded Barrel | No |
| Ambidextrous Safety | No |
| Condition | New |
Firearms ship to the FFL dealer you name at checkout. Price and stock are re-checked live when you order.
The FN 509 Compact MRD is a striker-fired 9mm pistol built for concealed carry and adaptable defensive use. Its 3.70-inch steel barrel and compact 6.80-inch overall length provide a practical balance of portability and shootability, while the polymer frame includes interchangeable backstraps for a more personalized grip. FN's Low-Profile Optics Mounting System accepts a wide range of miniature red dot sights, and the blackout iron sights are designed to co-witness with a mounted optic. A flat-faced trigger, improved controls, enhanced grip texturing, and an integrated trigger safety support consistent handling and recoil management.
The FN 509 Compact MRD combines compact carry dimensions with optics-ready flexibility for a versatile defensive pistol.