For 9mm ammunition, it is best to use *modest pistol primers*. Here are some precise tips and factors: ### Primer Form - *Smaller Pistol Primer*: Here is the standard primer used for reloading 9mm ammo. Manufacturers like CCI, Federal, Winchester, and Remington all develop trusted little pistol primers. ### Variations https://winchestersmallrifleprime81234.blogdal.com/31817185/look-at-highly-regarded-manufacturers-recognized-for-excellent-and-trustworthiness