For 9mm ammunition, it is best to use *smaller pistol primers*. Here are a few specific recommendations and criteria: ### Primer Type - *Modest Pistol Primer*: Here is the regular primer used for reloading 9mm ammo. Manufacturers like CCI, Federal, Winchester, and Remington all make dependable smaller pistol primers. ### https://garrettesnyk.digitollblog.com/31180491/take-into-consideration-reliable-manufacturers-recognized-for-high-quality-and-trustworthiness