HK MR762 A4 SBR, 7.62x51mm, 13-Inch

The HK MR762 A4 (brand part no. 81001054) is a 7.62x51mm short barrel rifle built with a 13-inch barrel, representing the peak of Heckler & Koch’s 762-platform evolution. HK reinforces and enhances the MR762 A4 throughout for shooters who need to run the rifle harder and longer without sacrificing accuracy or reliability. The MR762 A4 favors precision-minded shooters who want a rugged, mil-spec-heritage 7.62 SBR.

Key Specifications

• Chambered in 7.62x51mm / .308 Win.
• Wears a 13-inch barrel, meeting the SBR definition.
• Feeds from a 20-round magazine.
• Equipped with an ambidextrous safety.
• Operates as a semi-automatic rifle.

Frequently Asked Questions

Is this an NFA item? Yes. As a SBR, it’s a Title II firearm requiring an approved ATF Form 4 and transfer through an NFA-licensed dealer.

What caliber does it fire? 7.62x51mm / .308 Winchester.

What is the magazine capacity? 20 rounds.

Buy the HK MR762 A4 SBR

This is a Title II item regulated under the National Firearms Act. Purchase requires an approved ATF Form 4, no federal transfer tax, and transfer through a licensed NFA (SOT/Class 3) dealer, with an extended federal approval wait before delivery. Order through Heckler & Koch‘s short barrel rifles lineup and our Lubbock, Texas team will walk you through the transfer process.