The gum ammo menu can be used to configure the ammo system of a gun. The ammo system determines what ammo a gun needs, how much ammo it needs, how quickly the gun can shoot, and a few more things. Currently, the ammo system can be either direct or indirect.

First, you need to choose whether you want a direct or indirect ammo system. To do so, click on the Direct or Indirect button below Type:. Depending on this choice, different buttons and edit fields will appear on the right.