Originally Posted by stalkingbear
Another vote for the 30-06. It's likely the world's most versatile cartridge. It'll do almost anything well including what you want it to do.I don't currently own a 30-06 but if I had to choose just 1 centerfire rifle it would be the 30-06. The magnums are great for larger game BUT are overkill on whitetail IMO.
Most versatile, but the most popular IMO is .308, I'd go with a soft nosed 762x54 which is equal to .308, just a different rifle