well if you are going for a precision type rifle, .223 may be better. But nowadays, hardly anyone makes .223 ar15s, most make Wylde chambers for precision uppers.
Assumption is the mother of all ****ups.
Know what you know, Know what you don't know. -Paul Pedzolt
"Jack of all trades, master of none, though oftentimes better than master of one" -Mynshul