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FN Five-seveN® Pistols — MKII & MRD (MK3) 5.7×28mm
The FN Five-seveN® series is the original 5.7×28mm pistol platform, trusted by military, law enforcement, and civilian shooters for over two decades. Whether you choose the classic Five-seveN MKII or the modern Five-seveN MRD (commonly called the MK3), both deliver flat-shooting performance, low recoil, and exceptional accuracy. Many enthusiasts refer to the latest optics-ready model as the MK3 MRD, and we carry both colors and configurations in stock.
Key Features
- 5.7×28mm Cartridge: Minimal recoil, flat trajectory, and superior accuracy at distance.
- 20-Round Magazines: Standard capacity for extended shooting sessions with fewer reloads.
- Ergonomic Controls: Ambidextrous safety, reversible mag release, and a comfortable polymer frame.
- Cold Hammer-Forged Barrel: Chrome-lined bore ensures long service life and consistent precision.
- Optics-Ready Option: The MRD (MK3) slide is cut for most popular mini red dots with co-witness sights.
Model Comparison: MKII vs MRD (MK3)
| Feature | Five-seveN® MKII | Five-seveN® MRD (MK3) |
|---|---|---|
| Optics Ready | No (adjustable sights) | Yes — slide cut; co-witness sights |
| Weight (no mag) | 21 oz | 25.2 oz |
| Grip & Controls | Standard texture; classic serrations | Enhanced stippling; improved serrations; oversized controls |
| Operation & Shared Specs | Delayed blowback, single-action • 5.7×28mm • 4.8" barrel • 8.2" OAL • 4.4–7.87 lb trigger • 7.0" sight radius • 20-round mags | |
Recommended Accessories
- FN Five-seveN 20-Round Magazines — OEM factory magazines
- Threaded Barrel for FN Five-seveN — Suppressor-ready setup with your choice of muzzle device
- Magazine Extensions — Increase capacity and control
- Five-seveN Accessories — Lights, optics, and more
FAQ
What is the difference between the Five-seveN MKII and MRD (MK3)?
The MRD (MK3) is optics-ready with a slide cut for mini red dots, enhanced grip texturing, and improved controls. The MKII is the classic model with adjustable sights and lighter overall weight.
Does the FN Five-seveN have low recoil?
Yes — the 5.7×28mm cartridge is known for its very low recoil impulse, allowing faster follow-up shots and better control.
What magazine capacities are available?
FN Specialties stocks the standard 20-round versions for both MKII and MRD (MK3). (10-round restricted models are not listed here.)
Are these pistols suppressor-ready?
Yes — with a threaded barrel installed, the FN Five-seveN runs reliably with most 5.7×28mm suppressors. See our threaded barrel page for details.
Is MRD the same as MK3?
Yes — "MK3" is the commonly used name for the current MRD model. Both terms refer to the same pistol, so you can shop confidently knowing you’re getting the latest generation.
Shop With Confidence
FN Specialties guarantees factory-new FN pistols, live inventory status, and expert support for all your 5.7×28mm needs. Our team specializes in FN platforms and offers the most complete selection of accessories and enhancements anywhere.