For 9mm ammunition, you need to use *smaller pistol primers*. Below are a few specific recommendations and concerns: ### Primer Kind - *Small Pistol Primer*: This is actually the conventional primer useful for reloading 9mm ammo. Brand names like CCI, Federal, Winchester, and Remington all generate trustworthy little pistol primers. https://beaubajic.frewwebs.com/32005783/look-at-trustworthy-models-noted-for-high-quality-and-dependability