The FN 509 MRD - 9mm Tactical Pistol with Fiber Optic Sights is a 9mm full size handguns from FN Herstal. It is available from 1 vendor at $829.99.
Name: FN 509 MRD - 9mm Tactical Pistol with Fiber Optic Sights
Brand: FN Herstal
Category: Full Size Handguns
Caliber: 9mm
Barrel Length: 4"
Capacity: 10 rounds
UPC: 845737016906
SKU: UCEt9uKhW
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AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
The FN 509 MRD FOS is a 9mm Luger semi-automatic pistol with a 4-inch cold hammer forged barrel, polymer frame, and stainless steel slide in black PVD. It ships with five magazines and weighs 28 oz. The double-action-only trigger has a flat face that keeps the pull geometry consistent shot to shot.
| Caliber | 9mm |
| Model | 509 MRD |
| Capacity | 10 rounds |
| Magazines included | 0 |
| Barrel length | 4" |
| Overall length | 7.4" |
| Weight | 28 oz |
| Action | Double Action |
| Color | Black |
| Sights | Steel Co-Witness / Front Fiber Optic |
AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
The FN 509 MRD has a good reputation for reliability and consistent accuracy. Recoil is manageable and the action runs smoothly across a range of 9mm loads. Most owners report no significant reliability issues.
Ergonomics come up frequently as a positive - the grip texture and adjustable backstraps give most hand sizes a solid purchase, which helps with control during faster strings.
The fiber optic front sight gets mentioned often. It picks up light well in most conditions and speeds target acquisition. Some shooters swap it for a different setup based on personal preference, but it's a functional starting point.
The MRD optics-ready mounting is a clear draw for anyone planning to run a micro red dot. The ability to mount directly without a gunsmith is genuinely useful.
Price is the main point of debate. The 509 sits in a competitive segment, and a few buyers question whether it does enough to justify the premium over alternatives. Those who prioritize the optics-ready platform and cold hammer forged barrel tend to find the cost reasonable.
Price Range: $829.99 - $829.99
| Vendor | Price | Condition | Link |
|---|---|---|---|
| Guns Com | $829.99 | New | Buy Now |
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