how about a 222R/20 to make it cutt of a 204 ruger die run the rimmed 222 case in and then fireform use in singleshots as a bbblownout 222r/20

Yes! Yes,of course! I was thinking exactly the same thing!! lol

Hello Butch:

A 5.6x50R would work better because the 222 is significantly shorter than the 204. You'd have to trim the x50R if you didn't wish to extend the chamber or modify the die, but it shouldn't be a problem.

Best regards,

Dave Manson