Physical
The physical qualities of the Heckler & Koch HK121 (MG5). Information presented is strictly for general reference and should not be misconstrued as useful for hardware restoration or operation.
1,165 mm
45.87 in
O/A Length
550 mm
21.65 in
Barrel Length
23.81 lb
10.80 kg
Weight
Gas-Operated; Full-Automatic Fire Only
Action
7.62x51mm NATO
Caliber(s)
50-round belt or drum; 120-round belt box
Feed
Diopter Sight
Sights