They on the other hand do have non-uniform lengths. If you do not believe me, have a batch of brass with the exact same headstamp and evaluate their lengths - I've measured hundreds, they are doing to be a simple fact range in length. With the FC brass I calculated, https://reloading9mm54073.frewwebs.com/36813235/the-smart-trick-of-reloading-9mm-ammo-that-nobody-is-discussing