The Heckler & Koch MR762 A4 is the commercial MR762/HK417-derived piston-operated semi-automatic pistol chambered for 7.62 x 51mm ammunition. This 13-inch pistol configuration features a cold-hammer-forged barrel, M-LOK handguard, and suppressor-ready 5/8 x 24 threads. Controls and ergonomics are updated with extended ambidextrous charging handle, ambidextrous safety, bolt release and magazine release for versatile handling.
Key Specifications
- The caliber is 7.62 x 51mm (7.62 NATO).
- The barrel measures 13 inches and is cold-hammer-forged.
- The overall length is 31.4 inches.
- The unloaded weight is 7.95 lb.
- The magazine capacity is 20 rounds.
- The action type is Semi-Auto with a short-stroke gas piston operating system.
- The barrel is threaded 5/8 x 24 and described as suppressor-ready.
- The rate of twist is 1-in-11″ right-hand.
- The handguard uses M-LOK with integral ambidextrous QD cups.
- The lower receiver is described as fully ambidextrous.
The MR762 A4 presents a modern, robust platform for users who need a compact 7.62x51mm pistol with adaptable controls and furniture. Its combination of a match-profile, cold-hammer-forged barrel, adjustable gas system and ambidextrous controls makes it well suited for precision-focused users seeking a high-quality, purpose-built pistol configuration.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.




