For 9mm ammunition, it is best to use *small pistol primers*. Here are several specific tips and factors: ### Primer Form - *Small Pistol Primer*: This is actually the standard primer used for reloading 9mm ammo. Models like CCI, Federal, Winchester, and Remington all make trustworthy small pistol primers. ### https://winchestersmallpistolprim69012.wssblogs.com/31418026/think-about-reliable-models-noted-for-quality-and-trustworthiness