Many people ask about converting their standard dies to bushing. Jim Carstenson does it for $35. Here is a thread on BR central and how to contact him.
http://www.benchrest.com/forums/showthread.php?s=312f3a9417a0d6f6b841e34d09dbc20e&threadid=15006
BH
http://www.benchrest.com/forums/showthread.php?s=312f3a9417a0d6f6b841e34d09dbc20e&threadid=15006
BH