# HK MR762 A4 7.62x51 NATO 13in Black

**Brand:** Heckler & Koch
**Category:** AR Style Rifles
**Caliber:** 7.62x51 NATO

## Specifications

- **Caliber:** 7.62x51 NATO
- **Barrel Length:** 13"
- **UPC:** 642230272484
- **SKU:** UCBJ1Qly0

## Description

The HK MR762 A4 is an AR-10-pattern pistol chambered in 7.62x51 NATO with a 13-inch threaded barrel and a 20-round magazine. It uses an M-LOK handguard and ambidextrous controls. The receiver is finished in black.

### Key Specifications
- **Brand**: HK
- **Model**: MR762 A4
- **Caliber**: 7.62x51 NATO
- **Action**: Semi Auto
- **Capacity**: 20+1
- **Barrel Length**: 13 in (threaded)
- **Color/Finish**: Black

### Detailed Features
- 13-inch threaded barrel in 7.62x51 NATO
- M-LOK handguard for accessory attachment
- Ambidextrous controls
- AR-10 platform pistol configuration
- 20-round magazine included

## Frequently Asked Questions

**Q: What caliber is the MR762 A4?**

A: The MR762 A4 is chambered in 7.62x51 NATO.

**Q: Who makes the MR762 A4?**

A: The MR762 A4 is made by Heckler & Koch.

**Q: What is the barrel length of the MR762 A4?**

A: It has a 13-inch threaded barrel.

**Q: How many rounds does the MR762 A4 hold?**

A: The MR762 A4 holds 20+1 rounds.

**Q: Is the MR762 A4 threaded?**

A: Yes, the MR762 A4 comes with a 13-inch threaded barrel.

**Q: What type of firearm is the MR762 A4?**

A: The MR762 A4 is an AR-10-platform pistol in the AR Style Rifles category, with semi-auto action and an M-LOK handguard.

**Q: Where can I buy the MR762 A4?**

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.*

> The trigger is a clean two-stage unit. Solid wall, crisp brake, short reset. I'd put it right on the edge of duty ready and match grade.
>
> — [RazorMP](https://www.youtube.com/watch?v=cMGW4d9LwSc&t=184s)

> Recoil is smooth. The weight of the rifle and the piston system helped soak up a lot of that 308 impulse.
>
> — [RazorMP](https://www.youtube.com/watch?v=cMGW4d9LwSc&t=286s)

> The HKMR762A4 is built like a tank, but it shoots like something a lot more refined.
>
> — [RazorMP](https://www.youtube.com/watch?v=cMGW4d9LwSc&t=347s)

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the MR762 A4 consistently point to build quality as the main reason they chose it over other AR-10 pistol configurations. The fit and finish meet expectations for the HK brand, and the 7.62x51 NATO chambering with a 13-inch barrel is considered well-suited to its role.

Ergonomics and handling draw mixed feedback. The weight is noticeable, and the 13-inch barrel in a pistol configuration means muzzle blast is something shooters manage rather than ignore. The threaded barrel and M-LOK rail give flexibility for adding a suppressor or forend accessories.

Value is the consistent sticking point. The MR762 A4 carries a premium price, and owners debate whether the HK name alone justifies the cost over competing AR-10 pistol builds. Aftermarket support is decent but not as broad as standard AR-15-pattern platforms, which some find limiting over time.

## Pricing

**11 offers available**

| Vendor | Price |
|--------|-------|
| Kygunco Com | $3936.99 |
| Buds Gun Shop | $4062.99 |
| Bereli | $4099.99 |
| Guns Com | $4161.99 |
| Grabagun Com | $4299.99 |
| Deguns | $4346.99 |
| Classicfirearms Com | $4479.00 |
| Shootingsurplus Com | $4479.00 |
| Globalordnance Com | $4479.00 |
| Primaryarms Com | $4479.00 |

*...and 1 more offers*

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