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HK: MR762 A4, 7.62x51mm, 20rd Mag, 16.5" - LE Only
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$3599.00
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SKU: 81001182 LE
Overview
Built for law enforcement and qualified military purchasers, this 7.62x51mm rifle is aimed at users who need a duty-ready platform with modern controls and a suppressor-capable setup. It uses a short-stroke gas-piston operating system with an adjustable gas regulator, giving the operator the ability to tune the action for suppressed or unsuppressed use. The rifle also includes fully ambidextrous controls, a slimmer profile, a lighter configuration, and a 16.5-inch barrel with a 20-round magazine. For agencies or authorized individuals looking for a hard-use AR-pattern rifle with updated ergonomics and a feature set centered on adaptability, this model is positioned as a serious option.
Why Hunters Choose the Hk
Chambered 7.62x51mm
For a full-power rifle platform
Short-stroke Gas-piston
System helps keep fouling out
Adjustable Gas
Regulator supports suppressed or unsuppressed
Fully Ambidextrous
Controls aid operation from either
Suppressor-ready Concentric
Concentric 5/8 x 24 threads
Key Features
- Chambered in 7.62x51mm with a 16.5-inch barrel and 1x20-round magazine.
- Short-stroke gas-piston system with adjustable gas regulator for suppressed or unsuppressed use.
- Fully ambidextrous controls with extended ambidextrous charging handle.
- Suppressor-ready with concentric 5/8 x 24 threads.
- Match rifle cold-hammer-forged barrel with lifetime bore wear guarantee.
- Slimline handguard with M-LOK interface, integral ambi QD cups, and continuous Picatinny rail interface.
Best Used For
- Law enforcement professionals needing a 7.62x51mm rifle for duty or agency use.
- Active duty or retired military personnel eligible to purchase through restricted channels.
- Users wanting a suppressor-ready rifle with adjustable gas settings for tuned operation.
- Shooters who prefer fully ambidextrous controls and a slimmer, easier-to-manipulate profile.
- Operators seeking an FFL-shipped rifle with a 20-round magazine and 16.5-inch barrel.
Specifications
| Ambidextrous Controls | Fully ambidextrous controls |
|---|---|
| Barrel Length | 16.5 in |
| Barrel Type | Match rifle cold-hammer-forged barrel |
| Buffer Tube | HK416 over the beach buffer tube |
| Caliber | 7.62x51mm |
| Castle Nut | HK416 elongated steel castle nut |
| Charging Handle | Extended, ambidextrous charging handle with dual claws |
| Export Restriction | U.S. Government Export Restriction |
| Ffl Required | Yes |
| Gas Block | HK416 2-position adjustable gas block |
| Gas System | Short-Stroke Gas Piston |
| Handguard | HK USA slimline handguard |
| M Lok Interface | M-LOK interface |
| Magazine Capacity | 20 rounds |
| Magazine Well | Updated angled magazine well |
| Muzzle Thread | Concentric 5/8 x 24 threads |
| Overall Height | 7.75 in |
| Overall Length | 35.5-39.5 in |
| Overall Width | 3.23 in |
| Qd Cups | Integral ambi QD cups |
| Rail Interface | Continuous Picatinny rail interface between the upper receiver and the handguard |
| Stock | Slimline, nine-position stock |
| Take Down Pins | Toolless front and rear take-down pins |
| Weight | 8.8 lbs without magazine |
Pros
- Chambered in 7.62x51mm for a full-power rifle platform.
- Short-stroke gas-piston system helps keep fouling out of the action.
- Adjustable gas regulator supports suppressed or unsuppressed use.
- Fully ambidextrous controls aid operation from either side.
- Suppressor-ready with concentric 5/8 x 24 threads.
- Includes a slimline handguard, M-LOK interface, and continuous Picatinny rail.
Considerations & Trade-offs
- Restricted availability limits this rifle to law enforcement agencies and qualifying active duty, retired law enforcement, or military purchasers; it is not a general-purpose retail option.
- It must ship to an FFL and is subject to export and magazine restrictions, so purchase and transfer requirements need to be confirmed before ordering.
- At 8.8 lbs without magazine, it is not a lightweight setup, which may matter for users prioritizing reduced carry weight over full-size 7.62 capability.
- The 16.5" barrel and 35.5-39.5 in. overall length place it in a compact full-power rifle format, but that still requires more space and support than a shorter carbine platform.
Suggested Comparisons
- Semi-automatic rifles
- 7.62x51mm rifles
- Law enforcement duty rifles
- Suppressor-ready rifles
Suggested Accessories
- Rifle sling
- Optic mount
- Cleaning kit
- Magazine pouch
Frequently Asked Questions
Who can purchase the HK MR762 A4 listed here?
This rifle is listed as LE Only. The source says it is available for law enforcement agencies and for individual purchases by active duty or retired law enforcement officers and military personnel.
What caliber and magazine setup does this rifle use?
It is chambered in 7.62x51mm and is listed with a 1x20 round magazine.
Is the MR762 A4 set up for suppressed use?
Yes. The source says it is suppressor-ready with concentric 5/8 x 24 threads, and it also has an adjustable gas regulator for suppressed or unsuppressed operation.
What operating system does the MR762 A4 use?
It uses a short-stroke gas-piston operating system.
What restrictions should I know before ordering?
The source states that this item is restricted for export, must ship to an FFL, and is subject to ITAR information and magazine restrictions. It also says to contact the Law Enforcement sales office to order.