For 9mm ammunition, it is best to use *modest pistol primers*. Below are a few particular recommendations and issues: ### Primer Style - *Compact Pistol Primer*: Here is the conventional primer useful for reloading 9mm ammo. Makes like CCI, Federal, Winchester, and Remington all develop trusted modest pistol primers. ### https://largerifleprimerswinchest37284.ampedpages.com/think-about-reliable-brands-noted-for-quality-and-reliability-58627500