Have a Savage 10T 308. Awesome rifle. Bolt has a little slop but not much. When folks talk about having the action or bolt trued (not sure the lingo), when is it a good time to have this done? When replacing the barrel? Its a 5R rifling barrel. Or can the work be done on a stock rifle? Like I said, its a nice rifle but wouldn't mind making it better. The new stealths are supposed to be trued but not sure exactly what work is actually done. Appreciate any info.