The 308 was developed or Semis and auto because of its shorter length. Everyone seems to forget the 55gr accelerator or the 30.06. Although they aren't cheap, they are available. There are many older calibers than the .06 but none as versitile. In north America it will do it all.
"War is an ugly thing, but not the ugliest of things. The decayed and degraded state of moral and patriotic feeling, which thinks nothing is worth war, is worse. A man who has nothing which he cares more about than his own personal safety is a miserable creature, and has no chance of being free unless he is made free and kept so by the exertions of better men than himself" John Stuart Mill
A government which robs Peter to pay Paul can always depend on the support of