For 9mm ammunition, it is best to use *little pistol primers*. Here are a few specific recommendations and factors: ### Primer Style - *Small Pistol Primer*: This is the regular primer employed for reloading 9mm ammo. Makes like CCI, Federal, Winchester, and Remington all produce reliable little pistol primers. ### https://winchester250magnumprimer46799.dsiblogger.com/64347095/look-at-reputable-makes-noted-for-quality-and-reliability