It seems to me year after year guys who hunt big game try to get a bigger cartridge. I'm sorry, but I just think it is overkill. Plus, there have been countless guys who have taken large grizzly bears with smaller calibers, so surely a 300 win mag type caliberwill do the job with no issue.
Many guys will tell you thatshot placement is the most critical thing, but then they tell you to get some monster recoilcaliber. It would stand to reason the larger the caliber the more recoil, which would reduce accuracy most of the times. A well placed round from a 300 win mag is better than a poorly placed shot from a more powerful cartridge IMHO.
It just seems that every year I here that you need a 700 nitro type caliberto take a grizzly. To me the proof is in the pudding, anda lot of guys have nailed even huge bears with "smaller" cartridges. If I am way off my base please don't hesitate to say so, because it has happened before (see my wife).

As of right now I would have no problem grizzly hunting with a 300 win mag.