For 9mm ammunition, you'll want to use *smaller pistol primers*. Here are a few specific recommendations and factors: ### Primer Variety - *Modest 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. ### Variants https://andresusnfx.shotblogs.com/think-about-reliable-brands-known-for-high-quality-and-reliability-45429839