For 9mm ammunition, you should use *compact pistol primers*. Here are several specific recommendations and things to consider: ### Primer Style - *Small Pistol Primer*: This is the regular primer utilized for reloading 9mm ammo. Manufacturers like CCI, Federal, Winchester, and Remington all make responsible compact pistol primers. ### Variants https://winchesterprimersinstockf93691.thelateblog.com/31937814/consider-trustworthy-makes-noted-for-quality-and-reliability