It can be used either as an Light Support Weapon (LSW) fired from the bipod, or be fired from a tripod in the extended range role. It can also be mounted on a tripod with a C2 sight and used in the sustained fire role. It is a fully automatic, belt-fed, air-cooled, gas-operated weapon, firing from the open bolt position, and is capable of a sustained high volume of fire. Stoppages can be easily and quickly remedied. The barrel is chromed internally to reduce wear.
The ammunition belt is made up of disintegrating links; factory filled and packed in 500-round containers. The belts are normally fitted in the ratio of four ball rounds to one tracer round mix, although all-ball round belts are available. The maximum effective range of the GSMG MAG 58 in the LSW role is 800 metres.
Calibre - 7.62 millimetre
Weight - 10.9 kilograms (with loaded five round magazine)
Length - 1231 millimetres
Barrel Length - 679 millimetres
Feed - Belt feed
Effective range - 800 metres
Cycle rate of fire - 750-1000 round per minute