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. The Solid Core is an extremely hard, flat-nose lead bullet that holds together while blowing through bone, providing high weight retention and deep penetration. Syntech polymer jacket technology reduces the friction and leads that plague hard cast bullets.