For 9mm ammunition, you must use *smaller pistol primers*. Here are a few certain suggestions and things to consider: ### Primer Form - *Smaller Pistol Primer*: This is the conventional primer useful for reloading 9mm ammo. Makes like CCI, Federal, Winchester, and Remington all develop reputable compact pistol primers. ### https://winchester-primers-in-sto57901.snack-blog.com/31338293/look-at-trustworthy-makes-noted-for-quality-and-reliability