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: 2/eleven/2013 By: Al M A: Federal hasn't formally classified this being a +P spherical. While some firearm brands recommend from using +P ammo inside their guns,