Originally Posted by
Black Jaque Janaviac
BigEd,
I tried that technique of putting a spent primer in the pocket and closing the bolt. The result looked more like a fully seated primer. It did not visibly protrude beyond the case head so i did not bother to take measurements and instead moved to the masking tape trick.
I didn't figure it was necessary to know the exact thickness of each masking tape layer. I merely kept adding layers until the bolt refused to close, then measured the overall length of the empty case just the same as the primer seating trick you described.
Any reason why the primer seating method would be more or less reliable than the masking tape method?
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