Done so measuring with my "Noah's Ark" calipers which aren't like the new ones of today. As best I could get the OD dia of a sized Graf shell was 6 mm and non sized one was 6.5mm.
The neck thickness appears to be the same sized or fired. I measured a R-P case for comparison and thickness was slightly less than the Graf brass.
I weighted different brass and I got a big variance, PMC 165.3 grs, Norma 166.5 grs, R-P 157.3 grs. The Graf brass went 175.4 grs, 174.4 grs, 175.5 grs.
When sizing the Graf brass there was no resistance from the expander button in the die, when I tried a bullet pushed in by hand it push in and pulled out with little resistance.
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