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Neck Tension Vs Time

After reading the Tech Tip in today’s Daily BULLETIN I have a few questions.

1) Is there any difference in the consistency of the pressure required to seat the bullets that were seated 2 weeks later as compared to those seated next day? Does the uniformity of the neck tension change with time?

2) How much difference is there in the pressure required to pull the bullets from both batches? How proportionate is it to the difference in the initial seating pressure?

3) Does this mean loaded ammo that’s been let to sit for 2 weeks before firing will exhibit the same characteristics as ammo fired the next day that was loaded using much more neck tension?

4) Does brass let to sit for 2 weeks before loading show a different mic reading than it did when initially sized? How much?

Thanks,
Bill
 

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