22-250 Brass Diameter

Fired Winchester and Sig brass both measured .466, after sizing both came out to .465", no problems chambering and extracting.
 
I was looking at load data on the Nosler website. I discovered their AI image dimensions compared to the standard 22-250 image dimensions show a .022" difference in length from the base to the neck/shoulder junction and a .020" difference in case OAL.

That has me wondering if Nosler has submitted the 22-250 AI to SAAMI and is going to cause some more confusion like they did with the 280 or if it is just an error on their images.
 
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