They on the other hand do have non-uniform lengths. If you do not trust me, have a batch of brass with the exact same headstamp and evaluate their lengths - I have measured hundreds, they do as a point differ in length. With the FC brass I measured, Excessive unfold https://9mmbrass27158.full-design.com/9mm-reloading-bullets-things-to-know-before-you-buy-78697924