10 rounds (SP)
- "This gun has an under barrel shotgun."
- — Description
The singleplayer version of the Erad submachine gun is equipped with a Master Key by default.
In multiplayer, the Master Key is only available to the Epic Cerberus variant of the Erad.
In Zombies, the Masterkey is available to the Cerberus variant of the Erad, just like in multiplayer.