For 9mm ammunition, you'll want to use *tiny pistol primers*. Below are a few specific tips and considerations: ### Primer Type - *Small Pistol Primer*: This is the standard primer useful for reloading 9mm ammo. Makes like CCI, Federal, Winchester, and Remington all develop trusted little pistol primers. ### Variations https://holdenhgzmy.shotblogs.com/look-at-dependable-manufacturers-known-for-top-quality-and-reliability-45446267