Brass Beast

The Brass Beast is one of the miniguns available to the heavy, it begins spawning in chests at the very beginning of the game and can be found in other sources once you reach the alpine levels. It does 9 damage per shot, shooting every 0.1 seconds in the same 72° cone as the other miniguns. The brass Beast is unique in that it slows the user down by 65 speed units when firing, this is particularly crippling to the heavy they only have 70 to begin with.

Strategy
Mandarbmax says: the brass beast trades a 100% slowing in firing time for a 50% increase in damage per bullet. This means that a stock Brass Beast is worse than other another minigun. It also means that the Brass Beast scales even better with multishot mods than regular miniguns!