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IA Iron River Armory

FN Five-seveN MRD 5.7x28mm 4.8-inch Optic-Ready

SKUCSSI|RJ66101274 Conditionnew CategorySemi Auto Handguns
$1054.58
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About this product

The FN Five-seveN MRD is an optics-ready variant of the Five-seveN family designed for quick optic installation and improved ergonomics. Its proprietary optic-mounting system uses matched plates and hardware to accept multiple common optic footprints without permanent modification to the slide. The pistol features a textured polymer frame with a Picatinny accessory rail, adjustable iron sights that co-witness with many optics, and an ambidextrous safety for versatile handling.

Key Specifications

  • The caliber is 5.7 x 28 mm.
  • The barrel length is 4.8 inches and is chrome-lined and cold hammer-forged.
  • The action is Semi-Auto.
  • The frame material is Polymer with a Picatinny accessory rail.
  • The pistol includes 2 magazines.
  • The optic footprint supports multiple mounting plates for quick optic installation.
  • The sights are adjustable iron sights that co-witness with many optics.
  • The safety is ambidextrous for left- and right-hand users.
  • The slide is optic-ready and serrated to assist with cocking control.

Engineered for shooters who value low recoil, modular optics capability, and contemporary ergonomics, the FN Five-seveN MRD combines a lightweight polymer frame with precision barrel work and adaptable sighting options. Its optic-ready slide and user-friendly controls make it suitable for range use, duty applications, or everyday carry setups where a compact, modern pistol is preferred.

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Specs at a glance

FN Five-seveN MRD 5.7x28mm … SPECS AT A GLANCE 28 mm 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.
$1054.58