Does anyone know where to find reloading data on the internet for this caliber.

Go to the various bullet manufacturer's websites and look for supplemental load data. Unfortuanately I don't know of which ones offer a 20 caliber bullet.

Hi WV:

http://www.riflemagazine.com/magazin...1467&magid=100

http://www.imrpowder.com/data/rifle/204ruger.php
CE

Thanks for all the info.