For 9mm ammunition, you'll want to use *small pistol primers*. Here are a few specific tips and things to consider:

### Primer Style
- *Tiny Pistol Primer*: This is the standard primer employed for reloading 9mm ammo. Brands like CCI, Federal, Winchester, and Remington all produce trustworthy compact pistol primers.

### Versions
- *Common vs. Magnum*:
- *Standard Modest Pistol Primers* are generally sufficient for most 9mm loads.
- *Tiny Magnum Pistol Primers* can be utilized When you are loading a superior-velocity spherical or using slower-burning powders that could demand a bit more ignition Electrical power.

### Manufacturer Criteria
- Contemplate dependable brands noted for high-quality and trustworthiness. Some preferred alternatives involve:
- *CCI 500*: A common federal large magnum rifle primers selection for traditional hundreds.
- *Federal a hundred*: Noted for dependable efficiency.
- *Winchester WSP*: A different responsible small pistol primer option.

### Check Reloading Manuals
Often check with a responsible reloading manual or guide, as they supply certain tips determined by your powder and cargo to make sure best functionality.

### Summary
For 9mm ammunition, stick with modest pistol primers, and take into account the certain characteristics of your respective hundreds when choosing amongst conventional and magnum primers. Ensure that you follow all security pointers throughout the reloading system.