Some say that a shotgun is the best choice for home defense. Easily defensible in court as it is socially acceptable.
I guess this one might not be seen as warm and fuzzy.
Full auto. 300 Rounds per minute / Fires a 20 round drum in about 4 seconds. Oh yeah!
More at the Camo Store. (where I 'borrowed' the image from)
As seen on Future Weapons