|The following is based on Fallout: Brotherhood of Steel and has not been confirmed by canon sources.|
Imagine seven shotguns strapped together, all firing at once. Imagine aiming it a mutant. Now, imagine having to clean up the mess.”
It's a kind of big guns shotgun using large bullets (.44 Magnum Ball) as ammunition.
It's one of the most powerful weapons in the game, despite its slow reload period.
Beware, if you equip it, you can not dodge and it uses 10 ammo per shot.