For 9mm ammunition, you should use *small pistol primers*. Below are a few certain suggestions and things to consider: ### Primer Type - *Little Pistol Primer*: This is actually the normal primer employed for reloading 9mm ammo. Makes like CCI, Federal, Winchester, and Remington all develop trusted compact pistol primers. https://winchester-primers-uk39616.blogpixi.com/31681750/consider-dependable-brands-known-for-high-quality-and-reliability