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IA Iron River Armory

FN Five-seveN MRD 5.7x28mm 4.8in FDE

SKUTSW|147539 Conditionnew CategorySemi Auto Handguns
$956.35
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About this product

The FN Five-seveN MRD is an optics-ready iteration of the Five-seveN platform chambered for 5.7x28mm. It pairs a 4.8-inch cold hammer-forged, chrome-lined barrel with an optic-cut, serrated steel slide and an FDE polymer frame featuring a Picatinny accessory rail. Ergonomic texturing, an internal hammer and enhanced controls aim to provide controlled, repeatable operation in a lightweight package. The pistol ships with two magazines and adjustable iron sights that co-witness with many micro red dot footprints.

Key Specifications

  • Chambered in 5.7 x 28 mm.
  • Barrel measures 4.8 inches and is cold hammer-forged and chrome-lined.
  • The action is Semi-Auto with an internal single-action hammer.
  • Slide is optic-cut and serrated steel to accept the MRD plate system.
  • Optic interface accepts multiple optic footprints via the MRD plate system.
  • Frame is a Flat Dark Earth polymer design with an integral Picatinny rail.
  • Sights are adjustable iron sights that co-witness with many optics.
  • Includes two magazines.
  • Features an ambidextrous safety and reversible magazine release.

Designed for shooters who favor modular optics integration and low perceived recoil, the Five-seveN MRD provides a stable platform for precision-oriented work and everyday carry applications where the 5.7x28mm cartridge is desired. The MRD plate system simplifies mounting a compatible micro red dot, while the textured FDE polymer frame and enhanced controls support consistent handling across conditions.

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Specs at a glance

FN Five-seveN MRD 5.7x28mm … SPECS AT A GLANCE 28mm SIZE
Editorial diagram — measurements verified during testing.
Sources & methodology. Editorial review and rating by Travis Caldwell based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication.
$956.35