One of the best things I did to eliminate issues with 9mm is to use an undersize sizing die and NOE powder through expander followed by a Lee FCD. With this method no feeding issues, no lop sided bulges in the case, and no crimping issues. I use almost exclusively copper coated or Hitec coated bullets except for carry ammo. I don’t remember the name of the company that made the undersized die but they use a Lee die body and then ream it to their specs.
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