HK MR762 A4 Pistol | 7.62×51 | 13in Threaded | 20rd | 81001052

The MR762 A4 is the commercial MR-style pistol variant of the HK417 platform offered in a 13-inch pistol configuration. It uses a gas-operated short-stroke piston system with a rotating bolt and features a match cold-hammer-forged barrel and M-LOK handguard. The platform is built for robust, repeatable accuracy and modular accessory mounting; it pairs well with a Vortex Strike Eagle 1-6×24 optic for close-to-medium range precision and practical use.

Common applications include precision target shooting and long-range training or competition where a compact 7.62 platform is desired.

Product Specifications

• The model is MR762 A4 as listed by the manufacturer.
• The manufacturer part number is 81001052.
• The caliber is listed as 7.62 x 51mm (/.308).
• The barrel measures 13 inches and is described as threaded.
• The barrel thread pitch is 5/8 x 24.
• The barrel twist rate is 1 in 11 inches, right hand.
• The action is Semi-Auto using a short-stroke gas piston operating system.
• The magazine capacity is 20 rounds and one magazine is included.
• The handguard uses an M-LOK interface with integral ambidextrous QD cups.
• The lower/receiver is described as a fully ambidextrous lower with ambidextrous controls.
• The sights type is listed as None (optic-ready).
• The product finish/color is listed as Black.
• The UPC is 642230272484.

The MR762 A4 brings HK’s cold-hammer-forged barrel and short-stroke piston reliability into a compact pistol package. Its threaded barrel, full-length Picatinny rail, and M-LOK handguard make it straightforward to outfit for competition or precision range work while ambidextrous controls support versatile handling.