FN 509M MRD 9mm 4″ Barrel 10-Rounds w/ Holosun 407C
Original price was: $814.99.$733.49Current price is: $733.49.
The FN 509M MRD is a versatile, optics-ready 9mm striker-fired pistol designed for professional-grade performance in a compact footprint. This mid-size platform features a 4″ recessed crown barrel, a factory-mounted Holosun HS 407C red dot, and co-witness iron sights, giving you exceptional accuracy and speed right out of the box. With a 10+1 capacity and ambidextrous controls, it’s ideal for concealed carry, home defense, or tactical applications especially in capacity-restricted states.
FN 509M MRD Features
The slide is optic-ready and serrated, finished in matte black for durability and stealth. The Holosun HS 407C red dot enhances fast target acquisition and low-light visibility, while the suppressor-height co-witness iron sights offer immediate backup aiming. The 4-inch barrel includes a recessed target crown to preserve accuracy and protect the muzzle.
The polymer frame includes an integrated Picatinny rail for tactical accessories and interchangeable backstraps for ergonomic customization. With a flat-face trigger offering a smooth, consistent pull, and ambidextrous controls, the FN 509M is built for adaptability. It ships with two 10-round magazines, making it compliant with magazine capacity limits while maintaining full-sized capability.
FN 509M MRD Specifications
- Manufacturer: FN
- Model: 509M
- Series: MRD w/ Optic
- Caliber: 9mm Luger
- Action: DAO (Double Action Only)
- Type: Semi-Auto Pistol
- Frame Size: Mid-Size
- Frame Finish: Matte Black
- Frame Material: Polymer
- Frame Description: Polymer Frame w/ Picatinny Rail
- Slide Finish: Matte Black
- Slide Description: Optic Ready / Serrated
- Slide Material: Steel
- Optic: Holosun HS 407C Red Dot
- Sights: Co-Witness Iron
- Sight Style: Contrast
- Sight Configuration: Suppressor Height Co-Witness
- Barrel Length: 4″
- Barrel Material: Steel
- Barrel Finish: Black
- Barrel Description: Recessed Crown
- Twist Rate: 1:10″ RH
- Capacity: 10 + 1
- Max Capacity: 10
- Includes: 2 Magazines
- Grips: Interchangeable Backstrap
- Trigger: Flat Face
- Safety Features: No Manual Safety
- Overall Length: 7.40″
- Height: 5.20″
- Width: 1.35″
- Weight: 26.50 oz
- Hand: Ambidextrous
| Barrel Length | 4 |
|---|---|
| Caliber | 9mm |
| Capacity | 10 |
| Condition | New in Box |
| Finish Per Color | Black |
| Frame Per Material | Polymer |
| Manufacturer | FN |
| Manufacturer Part Number | 66101931 |
| Model | 509M MRD |
| Type | Semi Auto Handguns |
| UPC | 845737018375 |
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