I have a 243ai 1:10 Kreiger that is new but the chamber was poorly cut. Chamber has to be recut trying to decide if I want to do it in the 243ai or 6-284. Will be used for coyotes and pds. Bbl is 251/2" and plan to shoot 95gr SMK's and already have dies and brass for 243ai. Any thoughts from guys who have used either of these. Thanks for any input.