Brand: Heckler and Koch US
Model: MR762 A4
Platform: AR-10
Caliber: 7.62x51mm / .308 Winchester
Gas System: Short Stroke Gas Piston System
Barrel Length: 13"
Barrel Finish: Black
Capacity: 20rds
Twist Rate: 1:11
Muzzle Thread: 5/8 x 24
Muzzle Device: Flash Hider
Grip Description: AR Grip
Grip Material: Polymer
Furniture Finish: Black
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Tactical Gray Cerakote
Lower Receiver Material: 7075-T6 Aluminum
Lower Receiver Finish: Tactical Gray Cerakote
Rail Material: Aluminum
Rail Finish: Tactical Gray Cerakote
Attachment Style: M-LOK
Safety: Ambidextrous
Bolt Carrier Group: Yes
Charging Handle: Extended Ambidextrous Charging Handle
OAL: 31.4"
Weight: 7.95 lbs
Includes: One 20rd Magazine

Features

The HK MR762 A4 13" .308 Win / 7.62×51 NATO AR-10 Pistol is a premium, large-frame AR platform engineered for exceptional reliability, accuracy, and durability. Featuring a 13-inch cold hammer forged barrel, it delivers outstanding performance with both .308 Winchester and 7.62×51 NATO ammunition while utilizing Heckler & Koch's proven short-stroke gas piston operating system for cleaner, more dependable operation under demanding conditions. Built with precision-machined components and HK's renowned engineering, the MR762 A4 offers the performance expected from a professional-grade firearm.

Equipped with a free-float M-LOK handguard, the MR762 A4 provides a rigid platform for mounting optics, lights, lasers, and other mission-essential accessories. Fully ambidextrous controls enhance handling for both right- and left-handed shooters, while the Tactical Gray finish adds a durable protective coating and distinctive appearance. Shipped without a brace, this compact .308 platform delivers exceptional versatility for range use, training, and professional applications.

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It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

Magazines will be removed from firearms when shipping to states with magazine capacity restrictions.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).