For 9mm ammunition, you should use *small pistol primers*. Here are a few precise tips and considerations: ### Primer Form - *Small Pistol Primer*: Here is the conventional primer useful for reloading 9mm ammo. Makes like CCI, Federal, Winchester, and Remington all make reputable tiny pistol primers. ### Variations - https://winchesterprimersinstock80134.elbloglibre.com/31386426/take-into-consideration-respected-manufacturers-known-for-quality-and-trustworthiness