[John in AR]

...all of which are a complete waste of 308's power,a nd you "call in" every enemy within 2 miles with every such .30 cal shot.

A - I don't have any enemies within two miles, and
B - Why would all these enemies run toward a .30-caliber rifle shot, but not toward a .223-caliber rifle shot? Because one can be suppressed as effectively as the other.