I have a trip to alaska this comming november, and my family relative (first cousin) owns about 240 acres of land, where he usually hunts in..... He is inviting me to tag along with him.
He says the area we are going to will defenetly have bears, even tho our intention is not to hunt bears, if an opportunity arrises, we might do so.... He prefers the following calibers for big bears (338 win mag, 358 Norma mag, 375 h&h, and anything higher)..... He says his favorit is the 375 h&h using Barnes X or A-frames, even regular soft-points 270 gr work too.
When I usually ask him questions about the weatherbys or the RUM, he tends to not like those ultra fast bullets, he thinks they can cause bullet failures (at close distances), and just the standard magnums will do the job. However, he also claims that the RUM or the weatherby are GREAT rounds for shots over 300+ yards, which is why Im bringing my 375 h&h AND my 300 RUM (one gun for either case) :grin:
If I was you, and you want to get ONE rifle to handle ANYTHING in north america, stick with your standard 338 win mag (plenty of ammo, plenty of power, plenty of B.C, just a great round).... Im not saying anything bad about .30 caliber bullets flaying at over 3000 FPS, but @ close ranges under 200 yards and hunting things that CAN POSSIBLY eat you, stick with something thats got heavy knock down power (and heavy knock down power is not something you get from extra speed)