Light, compact, and designed for maximum maneuverability. The HK421 in Caliber 7.62 mm x 51 NATO is designed to increase the soldiers capability from Open-Field engagements to Close-Quarters Battles. It combines machine gun firepower with the handling of an assault rifle.
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![](https://i.ytimg.com/vi/qILJ5fZBSpc/mqdefault.jpg)