Yeah...I am not that fond of making a barrel or frame non-standard by reaming oversize....at least not if a more slightly oversize pin will make for the needed interference fit without permanently changing the frame or barrel. The premise of the Contender is universal barrel interchangability. You never know when you might want to trade a barrel and by reaming it oversize, you have just guaranteed a loose fit for the next guy who tries to mount a barrel with an unmodified lug on your frame, or a barrel that will inherently be loose on a frame with a standard fit.
Certainly, however, there are cases with lug holes so oversize that there are no other alternatives.
This is the advantage to the precision ground pins...you can get them in increments that are small enough to allow an interference fit even on a barrel or frame that is only *very* slightly loose--and without modification.