For 9mm ammunition, you must use *modest pistol primers*. Here are some certain recommendations and factors: ### Primer Sort - *Compact Pistol Primer*: This is actually the regular primer used for reloading 9mm ammo. Brands like CCI, Federal, Winchester, and Remington all produce dependable small pistol primers. ### Variants - https://finnuhtfp.madmouseblog.com/11885291/think-about-highly-regarded-brand-names-known-for-quality-and-trustworthiness