This 9mm ammunition is meant to be fired in present day 9x19mm (9mm) firearms. Q: 9mm - 124 gr Hydra-Shok JHP - Federal Law Enforcement - 50 Rounds Is that this a +P round? Posted On: 2/eleven/2013 By: Al M A: Federal has not formally categorized this to be a +P round. Although some firearm manu