H&K MR762 A4 | 7.62 NATO | 16.5 in | 20+1

The Heckler & Koch MR762 A4 is a semi‑automatic 7.62 NATO rifle built around a short‑stroke gas piston system and ambidextrous controls. This configuration features a 16.5 inch threaded barrel, HK416‑style slimline furniture and a gray Cerakote finish. It is well suited to precision medium‑range work and field use on medium game. Pair it with a Vortex Viper PST Gen II 1-6×24 for a durable, sub‑$1000 optic that complements the platform’s capabilities.

Product Specifications

• The UPC is 642230271999.
• The ATF manufacturer is listed as HECKLER & KOCH, INC.
• The ATF model is MR 762 A4.
• The caliber is .308 / 7.62 NATO.
• The action is Semi-Auto.
• The barrel measures 16.5 inches and is threaded.
• The overall length is 35.5 to 39.5 inches.
• The unloaded weight is 9.84 lbs..
• The standard capacity is 20 + 1.
• The finish is Gray Cerakote.
• The handguard is a M-LOK handguard.
• The gas system uses a Short Stroke Gas Piston.
• The charging handle is Extended ambidextrous.
• The NFA thread pattern is 5/8×24.
• The rifling twist rate is 1-in-11″.

The MR762 A4 brings H&K’s piston reliability and ambidextrous ergonomics to a 7.62 NATO platform finished in gray Cerakote. Its 16.5″ threaded barrel and M-LOK handguard allow straightforward accessory integration while the 20+1 capacity and HK416‑style slimline furniture keep handling familiar to modern sporting rifle users. This model serves shooters who want a durable, configurable 7.62 NATO rifle for precision medium-range applications and field work where reliable gas operation and ambidextrous controls matter.