Go to accuratereloading.com >>>Alaska hunting
Or check out the Alaska section on this website.
Or search the net...
Master bear guide Phil Shoemaker killed a brown bear with 9mm. He also did it with a 3” barreled S&W model 60 j-frame 357 mag.
He goes by the handle “458win”
And I cut a 3 year old Hereford bull with two friends, a half worn out Cactus rope, an old timer and a hangover, but I would not recommend that either...
Using the right tools for the job will often prevent you from getting your from getting your guts torn out when things don't go "Just Right" like they do in fantasy land and the internet...