HK MR762 A4 7.62mm 16.5" 5/8"x24 Bbl Rifle w/(1) 10rd Mag 81000830

The HK MR762 A4 is a semi‑automatic 7.62x51mm NATO rifle built on Heckler & Koch's renowned AR-10/MR-series platform. This particular model features a 16.5" cold-hammer-forged barrel with a 5/8"x24 muzzle thread, making it compatible with a wide range of muzzle devices. Included is a 10‑round detachable magazine that feeds reliably through its polished chamber and HK's proven short-stroke piston system. The rifle's upper receiver sports a full-length Picatinny rail, and the handguard incorporates M-LOK slots for modular accessory mounting. It comes equipped with a 9-position adjustable synthetic stock for personalized length of pull. The MR762 A4 is engineered for sub‑MOA accuracy, durable reliability in rugged conditions, and easy integration of suppressors or brakes. It's an excellent precision/tactical rig for serious shooters, law enforcement, or professionals seeking battle-tested performance.

• Caliber & Operation - Chambered in 7.62x51mm NATO, utilizing HK's reliable short-stroke piston system.
• Barrel Specs - 16.5" cold-hammer-forged barrel with 5/8"x24 threads for muzzle attachments.
• Feeding - Ships with a 10‑round HK magazine; compatible with standard AR-10/MR magazines.
• Rail & Accessory Mounting - Full Picatinny top rail and M-LOK-enabled handguard for optics and accessories.
• Stock - Adjustable 9-position synthetic stock with ambidextrous sling points.
• Accuracy - Factory-spec accuracy of approximately 1 MOA, ideal for precision and tactical use.
• Durability - Cold-hammer-forged barrel and robust piston design built for long-term reliability.
• Muzzle-Ready Platform - Threaded barrel ready for flash hiders, brakes, or suppressors.

Overall, the MR762 A4 blends precision, modularity, and rugged HK engineering into a compact 16.5" package—making it a top-tier choice for professionals and enthusiasts in the 7.62 NATO class.