RE: Is the .308 really that good?
The main point that everyone has touched on the .308 is its lack of recoil meaning less powder. That is the same as shooting a 22-250 against a 300 win mag. Less recoil your going to be able to hold that recoil alot easier as the bullet leaves the barrel. Even though I can shoot holes in holes with both the the 22-250 does it twice as much. Less barrel vibration and a bunch of other factors involved.
There are better long range calibers than a 308 but the little caliber does it more effective everytime. Less powder pushing a bigger bullet which in turn means less recoil and in turn has become the premier bench rest gun that may outlast several generations. I'm having a bench gun made in a 308 but its not my favorite for hunting. Its a very stable little round. It has my vote for being the most accurate caliber out there in the .308 caliber.