9mm brass: also known as 9mm Parabellum, 9mm Luger and 9x19mm. This cartridge is now one of the most popular pistol cartridges in the world. **NOT RECOMMENDED FOR USE IN S&W SHIELD PISTOLS WITH NEAR-MAX OR +P LOADS, DUE TO POORLY SUPPORTED CHAMBER CONDITION** WE ALSO DON'T RECOMMEND USING THIS BRASS IN S&W 929 REVOLVERS DUE TO HARD EJECTION ISSUES.
