Prototype UP77 "Limitless Potential"

The  is a unique weapon in Fallout 4.

Characteristics
The UP77 looks and functions like a basic laser pistol except it has a unlimited magazine capacity.

Locations
The UP77 is found in University Credit Union at University Point. Inside the Credit Union you will find a bank vault with a Novice terminal, After hacking and opening the vault's door you will be in a room with some lock pick-able safes. On the 2nd row there will be a master locked safe, If you open the locked safe there will be a button pressing it will open a wall to your right and on the large table in the middle of the room will be the UP77.