Anyone have a criterion/NSS savage prefit in 6mm Dasher?

Not sure, trying to figure it out myself right now. I have some 6br brass that I am false shouldering, the base at .2 measures .467-.468 and the necks with a bullet seated measure .267. I’m guessing it will work alright but I’m not really 100% on that in that I’m not sure how different the norma brass is.

Here is a reamer print for the criterion
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