Federal's Personal Defense handgun ammunition, which features a jacketed hollow point, gives you a reliable bullet that creates quick, positive expansion with proven accuracy. This 38 Special +P HST Micro cartridge is optimized for use in concealed-carry platforms with a deeply seated bullet which eliminates excess air space in the case for the most consistent velocities. It provides consistent expansion, optimum penetration and superior terminal performance. Its bullet allows better function, deeper penetration and softer shooting in short barrels, while the HST design provides superb, consistent expansion.