# FN 510 Holosun - 10mm Striker-Fired Optics Ready Pistol

**Brand:** FN Herstal
**Category:** Full Size Handguns
**Caliber:** 10MM AUTO

## Specifications

- **Caliber:** 10MM AUTO
- **Barrel Length:** 4.1"
- **Capacity:** 15 rounds
- **Finish:** Black
- **Weight:** 31 oz
- **Overall Length:** 7.7"
- **UPC:** 845737018245
- **SKU:** UCEt9uL37

## Description

The FN 510 MRD Holosun is a semi-automatic pistol chambered in 10mm AUTO with a striker-fired DAO action. It ships with a Holosun 407C red dot and an optics-ready slide cut for other compatible sights.

### Key Specifications:
- **Manufacturer:** FN
- **Model:** 510 MRD Holosun
- **Type:** Semi-Auto Pistol
- **Action:** Striker Fired (DAO)
- **Caliber:** 10MM AUTO
- **Finish:** Black Polymer Frame
- **Barrel Length:** 4.1 inches
- **Overall Length:** 7.7 inches
- **Capacity:** 15 + 1 rounds (two magazines included)
- **Weight:** 31 oz.
- **Sights:** Holosun 407C with fixed options; optics-ready cut
- **Rate-of-Twist:** 1-in-16"

### Features
The slide has an optics-ready cut that accepts popular red dot sights, and the included Holosun 407C is a reasonable starting point. Ambidextrous controls work for both left- and right-handed shooters without modification. The driftable steel co-witness sights give a backup aiming solution when running an optic. The polymer frame keeps weight manageable at 31 oz. despite the 10mm chambering and 15+1 capacity.

## Frequently Asked Questions

**Q: What caliber is the FN 510 MRD?**

A: The FN 510 MRD is chambered in 10mm AUTO.

**Q: Who makes the FN 510 MRD?**

A: It is made by FN (FN Herstal).

**Q: What is the barrel length of the FN 510 MRD?**

A: The barrel is 4.1 inches long.

**Q: How many rounds does the FN 510 MRD hold?**

A: It has a 15+1 capacity and ships with two magazines.

**Q: What type of firearm is the FN 510 MRD?**

A: It is a full-size semi-automatic pistol with a striker-fired DAO action and a polymer frame.

**Q: Is the FN 510 MRD optic-ready?**

A: Yes. The slide has an optics-ready cut and the pistol ships with a Holosun 407C red dot included.

**Q: Where can I buy the FN 510 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.*

> I also always felt like I was shooting a school bus out of a 2x4.
>
> — [Colion Noir](https://www.youtube.com/watch?v=TuXo5V_MKFQ&t=205s)

> From a recoil standpoint I'm used to shooting 10 mm out of like 1911 platforms so forth and so on and those things they're beautiful but they hurt to shoot they do.
>
> — [Colion Noir](https://www.youtube.com/watch?v=TuXo5V_MKFQ&t=331s)

> Really Snappy 45s is like a shove thud this 10 mm honestly it's sitting somewhere in that 45 like just above 45 like a tad snappier than a 45 out of a gun the same size.
>
> — [Colion Noir](https://www.youtube.com/watch?v=TuXo5V_MKFQ&t=385s)

> I love the way this thing shoots and a lot of it too is the ergonomics.
>
> — [Colion Noir](https://www.youtube.com/watch?v=TuXo5V_MKFQ&t=473s)

> No this is a Workhorse that's what this is It's a Workhorse it's not cheap but it's a very high value Workhorse.
>
> — [Colion Noir](https://www.youtube.com/watch?v=TuXo5V_MKFQ&t=629s)

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the FN 510 Holosun generally respond well to the 10mm platform. Reliability during range sessions is a consistent positive. The 10mm cartridge's stopping power for self-defense or hunting is frequently cited as a reason for choosing this over 9mm options.

The optics-ready design gets good marks, and most shooters find mounting the included Holosun or other compatible red dots straightforward. Ergonomics are broadly positive, though a few owners note it feels bulkier than comparable pistols. Trigger feedback is split. Some find it smooth and accurate, others want a lighter or shorter pull.

Build quality is well-regarded overall. Magazine capacity of 15+1 is considered a real advantage for a 10mm gun. Price comes up as a sticking point for some buyers, with the usual comparison to Glock and SIG options at lower price points.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Guns Com | $1040.99 |

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