My ideal is to not swage the outer diameter of the projectile while removing case flare.
I usually end up with a .472 - .473 OD at the case mouth. Which is my only 'crimp" measurement.
Niemi24s is correct, measuring the case mouth isn't easy and variances in bullet OD and case wall thickness don't
make measurements all that dependable.
Your pictures do not suggest you are squishing the bullet very much but a pulled projectile measurement might be
handy.
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