The FN 545 MRD pistol in .45 ACP with a Flat Dark Earth PVD slide (brand part no. 66101388) is a full-size striker-fired pistol built with upgraded ergonomics and a red dot mounting system that lets shooters mount a favorite optic in minutes. FN America fits the pistol with a high-endurance striker, a crisp trigger pull, and a fully ambidextrous slide stop lever and magazine release. A MIL-STD-1913 rail, driftable steel co-witness sights, and a loaded chamber indicator round out the package, and FN’s Low-Profile Optics Mounting System ships with two interchangeable backstraps, two magazines, and four MRD mounting plates. Among optics-ready semi-auto handguns, this 545 MRD configuration favors shooters who want a full-size .45 ACP platform ready for a red dot.
Key Specifications
- Chambered in .45 ACP.
- Capacity of 15 rounds.
- The barrel measures 4.1 inches, with a Flat Dark Earth PVD slide.
- The optic mount uses FN’s Low-Profile Optics Mounting System, with four plates included.
- The controls are fully ambidextrous, including the slide stop lever and magazine release.
- The frame includes a MIL-STD-1913 rail for accessories.
- The pistol includes a loaded chamber indicator for visual status checks.
- The trigger action is Semi-Auto.
- The slide is Optic Cut/Serrated.
Frequently Asked Questions
How many optic mounting plates are included? Four MRD mounting plates, supporting a range of red dot footprints.
Does this pistol have a loaded chamber indicator? Yes, allowing a quick visual status check.
Buy the FN 545 MRD Pistol, .45 ACP
Upgraded ergonomics and a red dot mounting system on a full-size striker-fired platform is exactly what this FN 545 MRD delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.
| UPC | 845737015725 |
|---|---|
| Manufacturer | FN America / FN Herstal |
| Manufacturer Part Number | 66101388 |
| Action | Semi-Auto |
| Barrel Finish | Black |
| Barrel Length | 4.1" |
| Caliber/Gauge | .45 ACP |
| Capacity | 15 |
| Length | 12 |
| Model | FN 545 MRD |
| Number of Magazines | 2 |
| Package Height | 3.3 |
| Package Width | 11.0 |
| Product Type | Striker Fired |
| Rate of Twist | 1-in-16" |
| Safety | No |
| Shipping Weight | 4.05 |
| Sights | Optic Height Sights |
| Sights Type | FIXED |
| Slide Description | Optic Cut/Serrated |







