FN 545 MRD | .45 ACP | 4.1 in | P/N 66101389

The FN 545 MRD is a full-size .45 ACP pistol featuring a 4.1-inch cold hammer-forged crowned barrel and an optics-ready slide cut to accept multiple footprints. The pistol pairs a polymer frame with a machined steel slide finished in black PVD and ships with two magazines and multiple MRD mounting plates. For an optic under $1,000 that complements the MRD footprint, consider a compact red dot such as the Holosun 507C for clear sight picture and broad footprint compatibility.

This handgun is well-suited to precision range work and target shooting where a larger, controllable .45 platform offers deliberate accuracy and manageable recoil. The low-profile MRD mounting system and co-witness-capable sighting support fast, repeatable sight acquisition for range and competition use.

Product Specifications

• The UPC is 845737015718.
• The caliber is .45 ACP.
• The barrel measures 4.1 inches.
• The overall length is 7.7 inches.
• The weight is 30 ounces.
• The frame material is polymer.
• The slide finish is black PVD.
• The slide is cut for optics and supports multiple optic footprints.
• The sights are co-witness height driftable steel sights.
• The trigger breaks at approximately 6 lbs.
• The frame includes a MIL-STD-1913 Picatinny rail for accessories.
• The package ships with two magazines and two interchangeable backstraps.
• The pistol includes four MRD mounting plates in the box.
• The firearm is not drilled and tapped for traditional screw-mounted optics.

The FN 545 MRD blends a large-caliber platform with an optics-ready slide and ergonomic polymer frame to provide predictable handling and an interface for modern red dots. Its crowned barrel and tuned trigger are aimed at delivering consistent shot placement during deliberate shooting sessions, while the included mounting plates and backstraps let you tailor the fit and sighting system to your needs. The package arrives with a premium zippered case for transport and storage.

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