For 9mm ammunition, you should use *little pistol primers*. Below are a few specific recommendations and things to consider: ### Primer Style - *Smaller Pistol Primer*: Here is the typical primer useful for reloading 9mm ammo. Makes like CCI, Federal, Winchester, and Remington all develop responsible compact pistol primers. ### https://winchester-250-magnum-pri73849.spintheblog.com/31782630/take-into-consideration-respected-makes-recognized-for-top-quality-and-reliability