Description
The FN Five-seveN MRD is a factory-ready, optics-capable pistol chambered in the high-velocity 5.7x28mm cartridge. It’s a semi-automatic handgun built from the ground up for modern shooters, featuring a milled slide for a red dot sight and a flat-faced trigger. I’ve put a few hundred rounds of FN’s SS197SR through this platform, and its low-recoil, high-capacity design makes for a uniquely fast and flat-shooting experience.
Key Features
- Optic-Ready Slide: Comes from FN with a milled slide, ready for a micro red dot sight—no adapter plates needed for compatible optics.
- 5.7x28mm Chambering: Delivers rifle-like velocity with remarkably low felt recoil and minimal muzzle flip.
- Enhanced Ergonomics: Features a flat-faced trigger and an ambidextrous manual safety for improved control.
- High Capacity: Ships with a 10-round magazine, maximizing shots on target within a compact frame.
- FDE Finish: Finished in Flat Dark Earth for a distinctive, modern tactical look straight from the factory.
Specifications & Details
| Specification | Detail |
|---|---|
| Caliber | 5.7x28mm |
| Action | SAFE ACTION (Striker-Fired) |
| Capacity | 10 Rounds |
| Barrel Length | 4.8 Inches |
| Overall Weight | 1.5 lbs (Unloaded) |
| Finish | Flat Dark Earth (FDE) |
Look, the 5.7x28mm round is the whole story here. That 4.8-inch barrel helps it achieve velocities that make traditional pistol calibers feel sluggish. The MRD model answers the one critique I always had of the original Five-seveN—the need for aftermarket milling. This one is drop-in ready for optics like the Trijicon RMR or Holosun 507C, which is a huge advantage. At a weight of just 1.5 pounds unloaded, it carries lighter than it looks, balancing the heft of a full-size service pistol with the shootability of something much smaller. Here’s the thing—this isn’t a plinker. With a price tag of $1124.10, it’s a serious investment in a dedicated defensive or competition tool built for a specific purpose.
Who This Pistol Is For
This pistol is built for the shooter who prioritizes shot speed and capacity. It’s ideal for competitors in practical shooting sports where split times matter, or for a discerning civilian looking for a modern, low-recoil defensive option. It also appeals to the tech-oriented user who wants a red dot sight mounted directly to the slide without compromise. Given its unique caliber, it’s for someone willing to invest in the 5.7x28mm ecosystem. This model is available at firearms-missouri.com for Missouri residents and nationwide to compliant states.
Pros & Cons
Pros: The flat shooting characteristics are undeniable—recovery between shots is incredibly fast. The optic mounting system is superb and truly direct. Magazine capacity is excellent for the pistol’s size. The ergonomics and trigger are a significant upgrade over earlier generations.
Cons: Ammunition cost is higher than 9mm, though it’s becoming more common. Holster selection is more limited than for mainstream polymer pistols. Some shooters find the grip a bit large for smaller hands. That said, the performance trade-off can be worth it.
Frequently Asked Questions
Q: What optics fit the milled slide without an adapter plate?
A: The slide is cut for the Shield RMS footprint, which is also directly compatible with optics like the Sig Sauer Romeo Zero and the Springfield Hex Wasp. Many other popular micro dots will fit with the appropriate manufacturer-supplied adapter plate.
Q: Is the 5.7x28mm round effective for self-defense?
A: With modern defensive loads like the FN SS198LF (LE-only) or commercially available options from brands like Federal and Fiocchi, the 5.7x28mm offers very good penetration and low recoil. Its terminal performance is different from a hollow-point 9mm, but it is a viable and potent defensive caliber when using appropriate ammunition.
Q: How does it compare to a 9mm pistol?
A: It’s a different tool entirely. You get higher velocity, less recoil impulse, and typically higher capacity in a similar-sized frame. The trade-off is ammunition cost and availability. For rapid, accurate follow-up shots, the Five-seveN MRD has a distinct advantage, but your practice budget needs to account for the caliber.
If the idea of a high-speed, optics-ready platform with minimal muzzle rise fits your shooting style, the FN Five-seveN MRD is worth a close look. Check its current availability on our site.
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