Not quite sure how I got started down this road, but I have a buddy who enjoys books and movies about vampires, zombies, and the like. The whole good triumphing over evil thing, I guess. Anyway, if the zombie hordes should ever happen to show up at your door, this is just the thing!
It's a standard AR type semi-automatic, adjustable stock .223 Remington rifle with a 30 round detachable magazine. It also features an attached harpoon quiver for the rail mounted harpoon gun below decks and is equipped with a night-vision scope for precise aiming even in the dark. If this can't handle your zombie problems, well then, nothing can!