For 9mm ammunition, you need to use *compact pistol primers*. Below are a few specific recommendations and factors: ### Primer Variety - *Small Pistol Primer*: This is the typical primer useful for reloading 9mm ammo. Brand names like CCI, Federal, Winchester, and Remington all deliver responsible smaller pistol primers. ### https://winchesterprimers35678.snack-blog.com/31366893/look-at-trustworthy-brand-names-known-for-quality-and-trustworthiness