For 9mm ammunition, it is best to use *modest pistol primers*. Here are some particular recommendations and things to consider: ### Primer Style - *Compact Pistol Primer*: This is the standard primer used for reloading 9mm ammo. Models like CCI, Federal, Winchester, and Remington all deliver reliable compact pistol primers. https://winchester-250-magnum-pri93603.blogpostie.com/53257965/consider-reputable-manufacturers-known-for-high-quality-and-reliability