For 9mm ammunition, it is best to use *smaller pistol primers*. Here are a few precise recommendations and things to consider: ### Primer Type - *Little Pistol Primer*: Here is the standard primer used for reloading 9mm ammo. Brand names like CCI, Federal, Winchester, and Remington all make responsible compact https://winchester-250-magnum-pri36789.amoblog.com/take-into-consideration-reputable-brand-names-known-for-quality-and-trustworthiness-53339998