Slingshot reaches BFG status, and it would hurt you, badly

In the war against zombies, the humans might be losing, but “The Avalaunche” might help sway the tide back into our favor, assuming all other weapon choices are exhausted. This bad boy packs the punch of a 20 mm steel ball — six of them, I might add, which fire at the same time. It’s sure to cause some serious damage to anything that stands in its path. So get out of the way!