300.wsm vs. 300 rem ultra mag.
I am looking for a powerfull, flat shooting rifle that will be able to cover a variety of situations and wild game. I am a traveling madical technologist and would like to purchase a rifle that may cover a variety of wild game across the U.S. I am looking at the new 300.wsm or the 300 rem. Ultra mag which one would be the more powerfull and the flattest shooting of the two