Factory ammo or reloading? I am assuming Factory and would think Rem Corelokt would be good or if premium factory ammo is sought Federal or Hornady high energy's pushing Nosler or Trophy Bonded Bear Claws.
I shot a bear with an 06 using 180 gr nosler partitions high energy. Not sure if you need that much fire power but, I happen to be elk hunting at the same time. The shot I took was a quartering away shot and got him in the lungs and off shoulder. He only went about 25 yrds.
Every year many hunters and outdoorsman and women come out west from the midwest and east coast to hunt the prized mulies and elk. One topic that comes up often is altitude sickness. My advice for flatlanders is to get into the best possible shape. Start months before your hunt, usually really ramping up my cardio around March or April.
I run 5-10 miles 3 times a week, and also go for walks carrying my pack with about 50lbs to simulate what could be on my back. Another useful tip is to drink A...