For 9mm ammunition, you must use *compact pistol primers*. Here are a few distinct suggestions and things to consider: ### Primer Form - *Smaller Pistol Primer*: Here is the typical primer employed for reloading 9mm ammo. Manufacturers like CCI, Federal, Winchester, and Remington all make reputable tiny pistol primers. ### https://winchester-primers-uk24567.blogrelation.com/37512189/consider-respected-manufacturers-known-for-quality-and-trustworthiness