Outside of V.A.T.S., the weapon can be used for indirect fire over a considerable distance. While its contents are cosmetic, the monitor does appear to control the feed system as when the weapon jams the display distorts, and the Courier unjams it by hitting the monitor. The attached computer monitor appears to show the weapon's feed system and other details, although this is purely cosmetic and does not reflect actual use.
The grenade machinegun is a powerful rapid-fire weapon which uses 25mm ammunition.
