For 9mm ammunition, you must use *modest pistol primers*. Below are a few unique suggestions and things to consider:

### Primer Sort
- *Tiny Pistol Primer*: This is the normal primer used for reloading 9mm ammo. Brands like CCI, Federal, Winchester, and Remington all create trustworthy smaller pistol primers.

### Variations
- *Normal vs. Magnum*:
- *Conventional Tiny Pistol Primers* are generally adequate for some 9mm loads.
- *Modest Magnum Pistol Primers* can be employed Should you be loading a high-velocity round or employing slower-burning powders which will require a bit additional ignition energy.

### Brand name Things to consider
- Consider respected makes noted for quality and reliability. Some well-known selections involve:
- *CCI 500*: A common option for standard loads.
- *Federal 100*: Known for constant effectiveness.
- *Winchester WSP*: A further responsible compact pistol reloader 7 powder primer option.

### Check Reloading Manuals
Always refer to a reliable reloading handbook or guideline, as they offer distinct suggestions depending on your powder and load to ensure optimal general performance.

### Summary
For 9mm ammunition, stay with tiny pistol primers, and consider the specific features of the loads When picking amongst regular and magnum primers. Make sure to observe all security guidelines over the reloading approach.