They nevertheless do have non-uniform lengths. If you do not trust me, take a batch of brass with the exact same headstamp and evaluate their lengths - I have calculated hundreds, they are doing as a point change in length. With the FC brass I calculated, Severe spread was all-around https://9mm-once-fired-brass08417.glifeblog.com/35168367/9mm-bullets-for-reloading-an-overview