The Mags of Holding allows Call of Duty: Modern Warfare 3 Zombies players to never have to reload, and simply shoot their gun until it runs out of ammo completely. The new item was added during Season 2, and here is how to get and craft it.
How to Get Mags of Holding in MW3 Zombies
The Mags of Holding item can be found in the new Dark Aether Rift in the northern section of the tier 3 red zone. The teleporter is labeled on the map, but cannot be accessed until players complete a few steps first.