If a garden hose could be made to spray a continuous stream of ammunition instead of water, the effect would be similar to the Avenger when fired. This weapon has an incredible rate of fire, though when held in the hand, its got lousy accuracy.
A post-War minigun designed by Vault-Tec in the Secret Vault. The Vault-Tec minigun has a lower rate of fire than a general minigun but, unusually for a minigun, chambered in common handgun ammo. It has five barrels and it was used by the Attis army in Texas.