MG4
The HK MG4 is a lightweight 5.56×45mm NATO machine gun designed to provide high mobility and sustained suppressive fire for infantry units.
MG4 A1
The HK MG4 A1 is an enhanced 5.56×45mm NATO light machine gun featuring ergonomic improvements and accessory compatibility for modern infantry fire support.
MG4 K
The HK MG4 K is a compact 5.56×45mm NATO light machine gun variant designed for improved maneuverability while delivering reliable suppressive fire.