For 9mm ammunition, you must use *smaller pistol primers*. Here are a few specific suggestions and considerations: ### Primer Variety - *Modest Pistol Primer*: This can be the regular primer useful for reloading 9mm ammo. Manufacturers like CCI, Federal, Winchester, and Remington all generate dependable smaller pistol primers. ### Variations https://winchester-primers-in-sto46790.blogpixi.com/31664765/consider-highly-regarded-brands-known-for-quality-and-reliability