This 9mm ammunition is intended to be fired in modern 9x19mm (9mm) firearms. Q: 9mm - 124 gr Hydra-Shok JHP - Federal Legislation Enforcement - fifty Rounds Is this a +P round? Posted On: two/eleven/2013 By: Al M A: Federal has not formally categorized this as a +P round. Although some firearm makers suggest towards the use of +P ammo of their guns