For 9mm ammunition, you ought to use *smaller pistol primers*. Here are some specific tips and things to consider: ### Primer Kind - *Compact Pistol Primer*: This can be the regular primer employed for reloading 9mm ammo. Brands like CCI, Federal, Winchester, and Remington all make reliable modest pistol primers. https://winchester200primers19570.blazingblog.com/31498327/look-at-trustworthy-manufacturers-known-for-high-quality-and-trustworthiness