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 is 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.Lastly, the casing.The precision-built cases in most centerfire premium loads feature nickel-plated brass that defeats corrosion and aids in sleek, smooth extraction in even the most extreme conditions.The gold medal loads feature an exclusive primer design that provides the best sensitivity and most consistent ballistics in the industry.Caliber: 224 ValkyrieBullet Type: Sierra MatchKing BTHPBullet Weight: 90 grMuzzle Energy: 1457 ft lbsMuzzle Velocity: 2700 fpsRounds Per Box: 20Boxes Per Case: 10Application: TargetCasing Material: BrassHazair: Yes