FN
FN 509 MID MRD 9MM BK 4" 10+1
Product Details
FN 509 MID MRD 9MM BK 4" 10+1. Caliber/Gauge: 9mm Model: FN 509 Midsize MRD Action: Striker Fired Barrel Length: 4" Capacity: 10 + 1 Finish: Black Sights: Black Co-Witness Iron Sights Overall Length: 7.4" Weight: 26.5 oz. Features: - Interchangeable Backstraps - FN Optics Mounting System - Midsize Frame
Specifications
| Brand | FN |
|---|---|
| UPC | 845737010744 |
| Caliber | 9mm |
| Action | Semi-Auto |
| Color / Finish | Black |
| Barrel Length | 4" |
| Capacity | 10 rounds |
| Condition | New |
Buying this item
- Can I buy the FN 509 MID MRD 9MM BK 4" 10+1 online and have it shipped to me?
- Firearms cannot ship to your home. Buy it here and pick it up at Iron Valor Armory in Rocky Mount, NC after a NICS background check, or have it shipped to a licensed FFL dealer near you for their transfer fee.
- How old do I have to be to buy the FN 509 MID MRD 9MM BK 4" 10+1?
- You must be 21 or older with valid government ID for handguns and stripped receivers.
- Is the FN 509 MID MRD 9MM BK 4" 10+1 in stock?
- Yes — live distributor inventory shows it in stock and it ships or is ready for pickup within 1–3 business days.
- What is the return policy?
- Non-firearm items may be returned within 30 days (a restocking fee of up to 15% applies if the packaging was opened). Firearms and ammunition are final sale once transferred, per federal law.
All firearm sales require background checks and compliance with federal, state, and local laws. You must be 21+ for handguns/stripped receivers and 18+ for long guns.
Frequently bought together
Complete the setup
Ammo, magazines and optics matched to FN 509 MID MRD 9MM BK 4" 10+1. Everything here ships to your door or is ready at pickup.
Adds the first item in each column · you can adjust in the cart
Magazines that fit
Matched by caliber and FN fit.
FN 509 LS Edge Handgun Magazine Grey 9mm Luger 17/rd$79.99Top pick
Red dots & sights
We mount and bore-sight for pickup.
Tijicon RMRcc Red Dot Sight Adjustable LED 6.5 MOA$511.42Top pick
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