The Federal Premium loads start with the finest primers, which are subjected to more frequent inspections for dimensional tolerances and charge weight to ensure they deliver consistent ignition for every shot. Next are the propellants, which are specially formulated to meet Federal's stringent specifications. These clean-burning powders are of the highest grades in the industry. They're consistent and reliable. This Defense line provides consistent expansion, optimum penetration and superior terminal performance with bullet weights and propellants optimized for the most efficient cycling and accuracy in subcompact handguns.