For 9mm ammunition, you should use *smaller pistol primers*. Below are a few specific recommendations and concerns: ### Primer Kind - *Little Pistol Primer*: This is actually the regular primer used for reloading 9mm ammo. Brands like CCI, Federal, Winchester, and Remington all produce responsible compact pistol primers. ### Variants https://winchesterprimersinstockf73456.mdkblog.com/37124500/look-at-highly-regarded-models-recognized-for-good-quality-and-reliability