Heckler & Koch MR762
Heckler & Koch MR762 A4 7.62x51mm 16.5in 20rd Semi Auto Rifle
The MR762 A4 is a semi-automatic 7.62x51mm MR-series rifle from Heckler & Koch. It ships with a 16.5 in barrel and a 20-round polymer magazine and uses a short-stroke gas piston with a rotating bolt.
The rifle features a slimline free-float handguard with a full-length Picatinny top rail and M-LOK attachment points, an adjustable multi-position buttstock, and fully ambidextrous controls including 45-degree selector levers. The MR A4 series is not shipped with iron sights; sights or optics mount to the factory Picatinny rail. The barrel is factory-threaded (5/8x24).

Specifications
| UPC | 642230269453 |
|---|---|
| Brand | Heckler & Koch |
| Model | MR762 |
| Caliber | 7.62 x 51mm |
| Series | 16.5in 20rd |
| Mfg Part Number | 81000829 |
| Barrel Length | 16.5in in |
| Capacity | 20 |
| Year Introduced | 2024 |
| Overall Length | 39.5in (stock extended) / 35.50in (stock retracted) |
| Sights | No sights included; Picatinny top rail provided for mounting optics/iron sights. |
| Finish | Black |
| Weight | 9.84 lb (4.48 kg) lbs |
| Purpose 1 | Duty / Professional Use |
| Purpose 2 | Sport Shooting / Competition |