For 9mm ammunition, it is best to use *tiny pistol primers*. Below are a few specific tips and concerns: ### Primer Kind - *Modest Pistol Primer*: This is actually the regular primer used for reloading 9mm ammo. Makes like CCI, Federal, Winchester, and Remington all create trusted little pistol primers. https://winchesterprimersgermany95949.bloggerchest.com/31296999/consider-respected-brands-noted-for-quality-and-reliability