They having said that do have non-uniform lengths. If you don't believe me, take a batch of brass with exactly the same headstamp and evaluate their lengths - I have calculated hundreds, they do as a truth vary in duration. With all the FC brass I measured, Extraordinary distribute was https://gregoryrclve.sharebyblog.com/36570965/the-fact-about-9mm-dirty-once-fired-brass-that-no-one-is-suggesting