For 9mm ammunition, you'll want to use *little pistol primers*. Below are a few specific tips and issues: ### Primer Form - *Modest Pistol Primer*: This is actually the regular primer useful for reloading 9mm ammo. Makes like CCI, Federal, Winchester, and Remington all make trusted modest pistol primers. ### https://winchester-primers-europe85825.full-design.com/look-at-reputable-brand-names-known-for-high-quality-and-reliability-74014899