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

Quote Originally Posted by HKGuns View Post
Can I ask where you got that drawing Clint? Never seen one done like that before with both on one drawing.