For 9mm ammunition, it is best to use *smaller pistol primers*. Below are a few distinct recommendations and concerns: ### Primer Form - *Little Pistol Primer*: Here is the regular primer used for reloading 9mm ammo. Makes like CCI, Federal, Winchester, and Remington all produce reliable tiny pistol primers. ### https://jeffreypnkfe.blogdun.com/32030998/take-into-consideration-trustworthy-manufacturers-known-for-quality-and-trustworthiness