Description
FN America FN 509C MRD is a compact 9mm handgun with a 3.7 in barrel, double action only operation, and 10+1 capacity. It is designed to be optics ready, using the FN low-profile optics mounting system with plate adapters, while keeping black co-witness iron sights. The slide has front and rear cocking serrations and a MIL-STD-1913 accessory rail.
Key features
- Double action only action
- FN low-profile optics mounting system with plate adapters for direct mounting of more than 10 optics
- Black co-witness iron sights
- Flat faced trigger and improved texturing
- Front and rear cocking serrations on the slide
- Fully ambidextrous controls
- Includes two interchangeable backstraps
- MIL-STD-1913 accessory rail for lights or other accessories
Specifications
| Caliber | 9mm |
|---|---|
| Action | Double Action Only |
| Capacity | 10+1 rounds |
| Barrel Length | 3.7 in |
| Sights | Iron (black co-witness) |
| Optics Ready | Yes (FN low-profile optics mounting system) |



