Neck sizing twice...worth it?

[CJS-6.5]

Anyone else size their brass before prep and neck size afterwards to remove inconsistencies from trimming and chamfering? Worth working the brass again?

 

[XLR308]

I would try a sample and check concentricity before sizing, after sizing and after case work (trim, debur, chamfer) if you see no change I personally wouldn't bother. The less you work the brass the better.