I could likely strike my .355's with a lightweight hammer rather than established them back again. All of that to express that using an real 9mm die you must get a good amount of neck stress. The “12 to 18 inches” nonsense arises from the FBI, who blamed their weapons https://9mmoncefiredbrass63951.dm-blog.com/36824626/5-easy-facts-about-9mm-casing-described