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.
MG5
The HK MG5 is a 7.62×51mm NATO general-purpose machine gun engineered for precision, reliability, and adaptable fire support across a wide range of combat roles.
HK421
The MG421 is a 7.62×51mm NATO belt-fed machine gun developed as a reliable and versatile support weapon for military applications.