GP machine gun
|For an overview of machine gun models in various games, see Machine gun.|
|The following is based on Fallout New Vegas cut content and has not been confirmed by canon sources.|
The only trace of the weapon is a repair form list named RepairNVGPMachineGun. Judging by the name it was likely a general-purpose machine gun: An air-cooled, belt-fed weapon with a quick change barrel. It would have likely used full size rifle cartridges, given the designation.