Federal Premium manufactures extremely high quality ammunition specifically designed for the needs of Military, Law enforcement and personal defense. The Federal P9HST4 9mm +P 147gr HST has been developed to provide the maximum penetration and expansion, that along with near 100% weight retention and no jacket/core seperation. The Federal P9HST4 9mm +P 147gr HST JHP is perfect for your favorite carry or home defense pistol. Federal's stringent quality control ensures not only round to round and lot to lot consistancy, but it also means you can trust it to be accurate and reliable feeding in virtually any firearm.