For 9mm ammunition, you need to use *compact pistol primers*. Here are some particular suggestions and considerations: ### Primer Sort - *Smaller Pistol Primer*: Here is the standard primer used for reloading 9mm ammo. Manufacturers like CCI, Federal, Winchester, and Remington all deliver trustworthy compact pistol primers. ### Variations - https://winchesterprimersinstockf57890.get-blogging.com/31927101/take-into-account-reputable-manufacturers-noted-for-high-quality-and-reliability