For 9mm ammunition, you need to use *little pistol primers*. Below are a few distinct recommendations and things to consider: ### Primer Type - *Little Pistol Primer*: This is the common primer useful for reloading 9mm ammo. Models like CCI, Federal, Winchester, and Remington all deliver reliable compact pistol primers. https://johnathanbpbnz.blogoxo.com/31542285/think-about-reputable-makes-noted-for-quality-and-reliability