For 9mm ammunition, it is best to use *small pistol primers*. Here are a few distinct suggestions and criteria: ### Primer Form - *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. https://winchester-small-pistol-p24567.dgbloggers.com/31792637/look-at-reputable-makes-known-for-good-quality-and-dependability