They're all right from the SAAMI web site and all in that format.
https://saami.org/technical-informat...mber-drawings/
https://saami.org/technical-informat...ami-standards/
Interestingly, Hornady did a good job with the 6ARC and others to eliminate the potential headspace overlap.
You'll see the headspace is 1.190 and 1.1901 to guarantee NO overlap if both are in spec.
https://saami.org/wp-content/uploads...2020-07-29.pdf
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