The Zombies mode in Call of Duty: Modern Warfare 3 introduces a new type of item called Ammo Mods, which players can use to change the type of damage a weapon can deal. There are several types of Ammo Mods, and here is what each one can do.
All Damage Types & Ammo Mods in MW3 Zombies
Image via Activision
There are five different Ammo Mods in Zombies, each with their own special effects. They can be applied to weapons alongside the Pack-a-Punch upgrades, but only one at a time. Here are all Ammo Mods in the game: