Final Judgment

The Final Judgment is a unique weapon (Gatling laser) in Fallout 4 it is carried by Arthur Maxson during the quest Airship Down.

Characteristics
25% faster fire rate, 15% faster reload. It uses Fusion cores as ammo.

Locations
It is carried by Arthur Maxson during the quest Airship Down.

If you want to get this weapon and finish with minutemen, continue railroad quest until precipice of war but do not go to police station. Instead go to the prydwen ship and kill Elder Maxson and get the final judgment then continue with railroad.

Bugs
It is unconfirmed at this point, but some players have reported that their Final Judgement never uses up Fusion Cores. It is unclear if this is a bug or a hidden effect of the weapon.