For 9mm ammunition, it is best to use *tiny pistol primers*. Below are a few particular suggestions and things to consider: ### Primer Style - *Small Pistol Primer*: This is the standard primer used for reloading 9mm ammo. Brands like CCI, Federal, Winchester, and Remington all produce reliable small pistol https://winchester-200-primers35678.suomiblog.com/take-into-consideration-respected-models-noted-for-high-quality-and-trustworthiness-47084603