For 9mm ammunition, you need to use *compact pistol primers*. Here are a few specific recommendations and things to consider: ### Primer Type - *Tiny Pistol Primer*: Here is the standard primer used for reloading 9mm ammo. Brand names like CCI, Federal, Winchester, and Remington all make reputable smaller pistol https://claytonttnbc.spintheblog.com/31769670/consider-dependable-makes-recognized-for-top-quality-and-reliability