A lot of YouTube shticks get old after a while. Remember the Epic Meal Time guys? When's the last time you watched one of their videos? Exactly. The FPS Russia dude, however, has become a master of one-uping himself on his insanely popular channel. His latest stunt is with a Hellcat Destroyer Tank, in which he manages to transform its 76MM cannon into one of the world's most powerful potato guns. Everything about it kicks serious ass.