I had the Slegehammer drop from a loot midget once. It's damage doesn't compensate very well for it's lack of accuracy, automatically firing both barrels and then having to reload.
That's how it works. An automatic double barrel shotgun. Bangbang reload. Bangbang reload. Bangbang reload. --- Meowahaha! Madness, Genius, the only difference between them is success! - Taokaka, Blaz Blue Continuum Shift Motoko Kusanagi is my goddess!