H&K MR762 A4 SBR 5.56mm 20rd Magazine 13" Threaded Barrel NFA Item | 81001054
Experience the pinnacle of German engineering in a compact, high-performance package with the Heckler & Koch MR762 A4 SBR. This factory-configured Short-Barreled Rifle features a 13-inch threaded barrel and is chambered in 5.56x45mm NATO. Built on the proven MR series platform, the A4 model combines exceptional reliability, accuracy, and modern ergonomics in a highly maneuverable short-barreled configuration. With its 20-round magazine capacity, suppressor-ready threaded barrel, and premium components, the MR762 A4 SBR is designed for professionals and serious enthusiasts who require maximum performance in a compact footprint.
Important Notice: This is an NFA (National Firearms Act) item. The H&K MR762 A4 SBR requires proper ATF registration, payment of the $200 NFA tax stamp, and compliance with all federal, state, and local laws. Transfer must be completed through a licensed Class 3 / SOT dealer.
Why Choose the H&K MR762 A4 SBR?
The Heckler & Koch MR762 A4 SBR (81001054) delivers the perfect balance of compact size and full-powered 5.56mm performance. The 13-inch threaded barrel dramatically reduces overall length compared to standard 16-inch rifles, making it ideal for close-quarters operations, vehicle use, and scenarios where maneuverability is essential. Despite its short barrel, the MR762 A4 maintains the legendary reliability, accuracy, and build quality that Heckler & Koch is known for worldwide. The rifle features a cold hammer-forged barrel, an ambidextrous control layout, and a robust gas-operated system that ensures flawless function even under harsh conditions. The threaded barrel allows for easy attachment of suppressors and other muzzle devices, further enhancing its versatility for tactical, competition, and recreational use.
Key Features of the H&K MR762 A4 SBR
- 13-Inch Threaded Barrel – Compact length with 1/2x28 threading for suppressors and muzzle devices.
- 5.56x45mm NATO – Chambered in the most widely used intermediate cartridge worldwide.
- 20-Round Magazine Capacity – Compatible with standard AR-15 magazines.
- Cold Hammer-Forged Barrel – Superior accuracy, durability, and barrel life.
- Ambidextrous Controls – Safety selector and bolt catch for left- and right-handed shooters.
- Factory SBR Configuration – Legally registered short-barreled rifle from the manufacturer.
- Model Number: 81001054
- UPC: 642230272521
Compact Size with Outstanding Performance
The H&K MR762 A4 SBR offers the handling advantages of a much shorter platform while retaining the terminal ballistics and effective range of a 5.56mm rifle. The 13-inch barrel significantly reduces overall length, making the rifle easier to maneuver in confined spaces, vehicles, or when operating in tight environments. Heckler & Koch’s precision manufacturing ensures that even with the shorter barrel, the MR762 A4 delivers excellent accuracy and reliable function. This makes it an outstanding choice for tactical professionals, competitive shooters, and enthusiasts who prioritize compactness without compromising performance.
Premium Engineering and Build Quality
Heckler & Koch has long been recognized as a leader in producing some of the most reliable and durable firearms in the world. The MR762 A4 SBR continues this tradition with a robust free-floating handguard, a crisp trigger, and an ergonomic design that enhances control during rapid fire. The ambidextrous safety selector and bolt release improve usability for all shooters, while the overall construction reflects H&K’s commitment to quality and performance. Every component is engineered to meet the rigorous demands of professional use.
Product Specifications – H&K MR762 A4 SBR
- Brand: Heckler & Koch (H&K)
- Model: MR762 A4 SBR
- Part Number: 81001054
- Caliber: 5.56x45mm NATO
- Barrel Length: 13 inches (Threaded 1/2x28)
- Capacity: 20 Rounds
- Action: Semi-Automatic, Gas Operated
- Receiver: Aluminum with integrated rail system
- Stock: Adjustable
- Classification: NFA Item – Short-Barreled Rifle (SBR)
- UPC: 642230272521
- Best For: Tactical applications, close-quarters work, suppressed shooting, professional use, competition
Suppressor-Ready Threaded Barrel
The 13-inch barrel on the H&K MR762 A4 SBR is threaded 1/2x28, allowing for the easy attachment of suppressors, flash hiders, and other muzzle devices. When paired with a quality suppressor, this SBR becomes an exceptionally quiet and controllable platform. The short barrel helps keep overall length manageable even when a suppressor is installed, preserving the compact nature of the rifle while significantly reducing sound signature and muzzle flash.
Why Professionals Choose the H&K MR762 A4 SBR
The Heckler & Koch MR762 A4 SBR 5.56mm (81001054) is trusted by professionals who require a compact, reliable, and accurate short-barreled rifle. Its factory SBR configuration eliminates the need for aftermarket modifications and additional ATF paperwork. The combination of a 13-inch threaded barrel, 20-round capacity, ambidextrous controls, and legendary H&K reliability makes this rifle a top-tier choice for those operating in confined spaces or requiring maximum maneuverability. Whether used for professional applications, competitive shooting, or as a high-end collector’s piece, the MR762 A4 SBR delivers the performance, quality, and precision expected from Heckler & Koch. Its compact size, suppressor-ready design, and proven engineering have made it a standout option in the short-barreled rifle category.
Acquire the ultimate compact 5.56mm platform with the Heckler & Koch MR762 A4 SBR (81001054). This factory NFA-registered Short-Barreled Rifle features a 13-inch threaded barrel, 20-round capacity, and premium German engineering for superior performance in a highly maneuverable package.
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