It has killed more deer than any other gun out there.
Like thats even a valid arguement. Firstly I would venture to say that some variant or a 22 rimfire can be credited with the most kills followed closely by a shotgun using bucksot. We all know that a 22 rimfire is no deer rifle and buckshot has been outlawed in many states. In addition it stands to reason that more deer have been wounded with the 30-30 than any other cartridge.