FN 545 MRD .45 ACP 4.1-inch Black

The FN 545 MRD is a full-size, semi-automatic pistol chambered in .45 ACP designed for shooters who want a modern, optics-ready service pistol with proven ergonomics. It pairs a 4.1-inch cold hammer-forged crowned barrel with a polymer frame and a slide cut to accept multiple MRD footprints. Controls are designed for right- and left-handed operation with an ambidextrous slide stop and magazine release, and the package includes a premium zippered case and accessory mounting plates.

Key Specifications

• The caliber is .45 ACP.
• The action is semi-automatic.
• The barrel measures 4.1 inches.
• The firearm ships with two magazines (configuration may vary by market).
• The frame material is polymer.
• The slide is optic-cut/serrated to accept multiple MRD footprints.
• The sighting system uses co-witness height fixed sights.
• The weight is approximately 30 oz.
• The overall length is 7.7 inches.
• Other standard items include interchangeable backstraps and a premium zippered case.

The FN 545 MRD combines a purpose-built platform with modern ergonomics and an optics-ready slide for practical use on the range, in competition, or as a capable duty-sized service pistol. Its tuned trigger, durable striker system, and modular grip options make it straightforward to index and shoot accurately under real-world conditions, while the MRD-ready slide simplifies mounting a red dot without gunsmithing.

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