For 9mm ammunition, it is best to use *tiny pistol primers*. Here are some specific recommendations and things to consider: ### Primer Type - *Tiny Pistol Primer*: This is the common primer employed for reloading 9mm ammo. Models like CCI, Federal, Winchester, and Remington all create responsible smaller pistol primers. https://winchestersmallpistolprim89567.ourcodeblog.com/31544237/consider-highly-regarded-brand-names-known-for-high-quality-and-reliability