Don't know a thing about single stage presses.
Search for threads and/or ask down in the reloading forum, if you haven't, you'll get more info than you can process.
Still happily answering to the call-sign Peetza.
You do not HAVE a soul. You ARE a soul. You HAVE a body.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.