For 9mm ammunition, it is best to use *small pistol primers*. Here are some particular recommendations and issues: ### Primer Sort - *Smaller Pistol Primer*: This can be the typical primer useful for reloading 9mm ammo. Brand names like CCI, Federal, Winchester, and Remington all make trustworthy tiny pistol primers. https://winchester-200-primers-in07395.activoblog.com/32907516/consider-reliable-models-recognized-for-good-quality-and-reliability