For 9mm ammunition, you must use *small pistol primers*. Below are a few precise recommendations and factors:

### Primer Kind
- *Smaller Pistol Primer*: This is the typical primer utilized for reloading 9mm ammo. Makes like CCI, Federal, Winchester, and Remington all create reliable modest pistol primers.

### Variants
- *Regular vs. Magnum*:
- *Typical Little Pistol Primers* are commonly sufficient for some 9mm hundreds.
- *Small Magnum Pistol Primers* can be utilized For anyone who is loading a high-velocity spherical or utilizing slower-burning powders that could demand a bit much more ignition Vitality.

### Brand name Criteria
- Consider reputable models noted for good quality and dependability. Some well-liked choices include:
- *CCI five hundred*: A typical choice for traditional loads.
- *Federal one hundred*: Known for dependable general performance.
- *Winchester WSP*: One more dependable tiny pistol primer alternative.

### Look at Reloading Manuals
Constantly make reference to a trusted reloading handbook or guidebook, as they supply unique recommendations determined by your powder and cargo to ensure optimum functionality.

### Summary
For 9mm ammunition, persist with compact pistol primers, and evaluate the unique features of your respective hundreds when choosing in between conventional small pistol magnum primers and magnum primers. Make sure to stick to all security recommendations during the reloading process.