CCI 300 large pistol primers are highly refined thanks to CCI’s rigorous testing and evaluation procedures. So, if you’re into reloading, you should definitely go with the CCI #300 Large Pistol Primers because they’re easier to ignite and seat than the competition. Primers that aren’t going to corrode or leach mercuric from the paint are perfect for use in the great outdoors. Primers for most handgun cartridges calling for a large pistol primer, like CCI’s #300 Large Pistol Primers.

Without the primer, a cartridge is useless and should be recycled as scrap. Richard Speer founded CCI to meet the demand for a consistent supply of component primers among reloaders. CCI’s first product was primers, introduced long before the company’s now-famous Mini-MagTM and Stinger® ammunition lines.