ORIGINAL: 270 bdl
An Alaskan guide named Shoemaker uses an '06 with 200 or 220 gr. bullets on the big bears. He says it works as well as anything.
Did you just make that up? Mr. Shoemaker uses the screename "458WIN" for a reason.
http://www.riflemagazine.com/magazine/article.cfm?tocid=1043&magid=75