Federal Personal Defense 9mm +P 147 grain HST is an exclusive Target Sports USA load built for serious self-defense and duty use. The HST hollow point is engineered to expand reliably while retaining weight through clothing and common barriers, producing about 1,050 fps and 360 ft·lbs of energy for confident terminal performance. In real world terms, that means dependable stopping power for on-duty officers, concealed carriers who need barrier penetration, and homeowners protecting family and property.