# FN 545 MRD .45 ACP SAO Handgun - Precision & Power

**Brand:** FN Herstal
**Category:** Full Size Handguns
**Caliber:** .45 ACP

## Specifications

- **Caliber:** .45 ACP
- **Barrel Length:** 4.1"
- **Capacity:** 10 rounds
- **Finish:** Black
- **Weight:** 30 oz
- **Overall Length:** 7.7"
- **UPC:** 845737015718
- **SKU:** UCEt9uKOM

## Description

The FN 545 MRD is a single-action-only .45 ACP semi-automatic pistol with a 4.1-inch hammer-forged barrel and optic-ready slide. This version ships in black with driftable steel co-witness sights and a textured polymer grip.

### Key Specifications
- **Brand:** FN
- **Model Name:** 545 MRD
- **Caliber:** .45 ACP
- **Action:** Single Action Only (SAO)
- **Capacity:** 10+1 rounds
- **Barrel Length:** 4.1 inches
- **Weight:** 1.875 lbs (30 oz)
- **Sights:** Driftable Steel Co-Witness
- **Grip Material:** Black Textured Polymer
- **Safety Features:** No external safety
- **Finish Color:** Black

### Detailed Features
The hammer-forged barrel has a target crown. The flat-top slide has a direct optic-mount cut for micro red dots. Driftable steel co-witness sights can be adjusted for windage. The polymer frame is lightweight without sacrificing durability. Controls are ambidextrous. No external manual safety.

### Usage
The 545 MRD suits duty use, competitive shooting, and home defense for those who prefer .45 ACP. The SAO trigger provides a consistent pull. The optic-ready slide works with most direct-mount micro red dot footprints. At 30 oz it handles .45 ACP recoil well without being excessively heavy.

## Frequently Asked Questions

**Q: What caliber is the FN 545 MRD?**

A: The FN 545 MRD is chambered in .45 ACP.

**Q: Who makes the FN 545 MRD?**

A: The FN 545 MRD is made by FN Herstal.

**Q: What is the barrel length of the FN 545 MRD?**

A: It has a 4.1-inch hammer-forged barrel.

**Q: How many rounds does the FN 545 MRD hold?**

A: It has a 10+1 capacity.

**Q: What type of firearm is the FN 545 MRD?**

A: It is a full-size, single-action-only semi-automatic pistol with a black textured polymer grip.

**Q: Is the FN 545 MRD optic-ready?**

A: Yes. The flat-top slide has a direct optic-mount cut for micro red dots, and driftable steel co-witness sights are included.

**Q: Where can I buy the FN 545 MRD?**

A: Compare current vendor offers on this page.

## What Reviewers Say

*Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.*

> You got to love a a firearm that is not too big really uh to handle.
>
> — [hickok45](https://www.youtube.com/watch?v=Y2Zaibi77kk&t=98s)

> As far as negatives though, it I guess again I'd like more friction on the grip.
>
> — [hickok45](https://www.youtube.com/watch?v=Y2Zaibi77kk&t=425s)

> You've seen a lot of movies, you're expecting not even to hear it, like you turn the sound off on your your computer or TV or something.
>
> — [hickok45](https://www.youtube.com/watch?v=Y2Zaibi77kk&t=755s)

> Yeah, I've noticed I I sense a little bit of different.
>
> — [hickok45](https://www.youtube.com/watch?v=Y2Zaibi77kk&t=347s)

> FN has a good reputation. The 509's I think has an excellent reputation.
>
> — [hickok45](https://www.youtube.com/watch?v=Y2Zaibi77kk&t=1104s)

## What Customers Say

*AI-generated insights from customer reviews*

FN 545 MRD owners in black regularly highlight accuracy and reliability as the primary strengths. The pistol is mechanically sound, cycles reliably with standard .45 ACP ammunition, and groups tightly at range distances.

The optic-ready slide with co-witness sights is praised as a well-executed implementation. Shooters who prefer iron sights find the driftable steel units adjustable and functional. Those who add optics appreciate that the co-witness geometry works with the stock sights.

Recoil management comes up favorably. The SAO design and 30 oz weight keep .45 ACP recoil controllable, allowing faster follow-up shots than lighter pistols in the same caliber.

Ambidextrous controls get positive mentions from left-handed shooters and those who train seriously. Ergonomics are generally well-regarded with good grip texture and natural control placement.

Pricing discussion follows the usual pattern for FN products: those who prioritize build quality consider it fair; buyers comparing feature counts against less expensive polymer pistols sometimes push back on cost. Overall the pistol is well-reviewed within its category.

## Pricing

**10 offers available**

| Vendor | Price |
|--------|-------|
| Kygunco Com | $763.00 |
| Buds Gun Shop | $766.99 |
| Deguns | $788.99 |
| Grabagun Com | $819.00 |
| Shootingsurplus Com | $819.00 |
| Selwayarmory Com | $819.00 |
| Gritrsports Com | $819.00 |
| Centerfiresystems Com | $819.99 |
| Palmettostatearmory Com | $831.99 |
| Guns Com | $857.99 |

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*Data from [GunsNation](https://gunsnation.com)*