They on the other hand do have non-uniform lengths. If you don't believe me, take a batch of brass with exactly the same headstamp and measure their lengths - I have calculated hundreds, they do to be a point range in length. With the FC brass I measured, Extraordinary spread https://9mm-dirty-once-fired-bras36791.azzablog.com/37040658/the-2-minute-rule-for-reloading-9mm-ammo