Sorting 9mm brass - 9mm/38 Caliber - Brian Enos's Forums Maku mozo!

I’m having some issues with certain headstamps in my 750 so I’m going to start sorting headstamps. These were labeled “IK21”. What are the other headstamps I should look out for.

Reloading help for USPSA - 9mm/38 Caliber - Brian Enos's Forums Maku mozo !

9mm tiny flash port? - 9mm/38 Caliber - Brian Enos's Forums Maku mozo!

Stepped brass - Page 2 - 9mm/38 Caliber - Brian Enos's Forums Maku mozo!

Recognizing crimped primers - 9mm/38 Caliber - Brian Enos's Forums Maku mozo!

Split brass - 9mm/38 Caliber - Brian Enos's Forums Maku mozo!

Recognizing crimped primers - 9mm/38 Caliber - Brian Enos's Forums Maku mozo!

9 Major Brass Sorting - 9mm/38 Caliber - Brian Enos's Forums Maku mozo!

First Ka-boom shooting 9mm major - 9mm/38 Caliber - Brian Enos's Forums Maku mozo!

9mm Major Brass Life - Open Pistols - Brian Enos's Forums Maku mozo!

Broke casings in chamber? - 9mm/38 Caliber - Brian Enos's Forums Maku mozo!

9mm vs. .38 short colt in a S&W revo - Revolver Forum - Brian Enos's Forums Maku mozo!