So I recently got a Redding instant indicator and really like it. One thing I've noticed since I started using it is that if I check headspace on a single piece of brass, then rotate the brass in the shell holder, the indication may vary .001-.002. I never noticed it when using the Hornady comparator kit with calipers but now that it has been brought to my attention, I checked and sure enough, I'm getting the same variation. I'm using a Redding competition die set and t7 turret press. Brass is hornady. Is this normal? If not, what may be the cause?
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