For 9mm ammunition, you should use *compact pistol primers*. Below are a few specific recommendations and things to consider: ### Primer Sort - *Compact Pistol Primer*: This is actually the standard primer utilized for reloading 9mm ammo. Models like CCI, Federal, Winchester, and Remington all generate reliable tiny pistol primers. https://fernandorsrmi.bloggerchest.com/31283496/look-at-reputable-makes-recognized-for-good-quality-and-trustworthiness