For 9mm ammunition, you must use *smaller pistol primers*. Below are a few specific recommendations and considerations: ### Primer Type - *Small Pistol Primer*: This is the standard primer useful for reloading 9mm ammo. Models like CCI, Federal, Winchester, and Remington all develop trusted compact pistol primers. ### Variants - https://holdengavis.wizzardsblog.com/31400223/think-about-dependable-brands-known-for-top-quality-and-reliability