For 9mm ammunition, it is best to use *tiny pistol primers*. Below are a few specific recommendations and concerns: ### Primer Kind - *Little Pistol Primer*: This is actually the regular primer used for reloading 9mm ammo. Brands like CCI, Federal, Winchester, and Remington all produce reliable compact pistol primers. https://louisocpbm.theisblog.com/31622050/take-into-consideration-reputable-makes-noted-for-quality-and-reliability