If you've ever wanted to march around Fallout 4's post-apocalyptic world shooting dudes in the face with the harpoon gun, then today is your lucky day.
Modder xxdeathknight72xx discovered the weapon - a multi-harpoon, instrument of death - which replaces the "Railway Rifle" if you have it in your arsenal.
Check out it's killing capabilities in the video below.
I got to get me one of these!
What would your weapon of choice be during the apocalypse?