9.3x57

[JeffreyDeGraff]

Do you have any measurements comparing necked up 8x57 with the fired 8x57 brass? Shoulder diameter base diameter and base to shoulder datum, should tell part of the story.


JTD

[Mowgli Terry]

Do you have any measurements comparing necked up 8x57 with the fired 8x57 brass? Shoulder diameter base diameter and base to shoulder datum, should tell part of the story.


JTD

With those protruding primers the numbers may not mean anything. The safe way it to make a chamber cast.