Totally Not A Joke Weapon

The "Totally Not a Joke Weapon" fires explosive shells and can be used to bring down airstrikes very fast, as it is a automatic weapon. The tooltip is so large you can't even read the whole thing. (depending on screen size)

Model: ???

Manufacturer: ???

Ammo: orang

Damage: aaaaaaaaa

Trivia

 * Its shells are actually just plutonium cores.