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.Trophy Bonded Tip combines bonded construction and a bone-crushing solid copper shank with a boat-tail design and polymer tip that tighten groups. The resulting toughness and accuracy make it a perfect choice for the full spectrum of medium and big game at any practical range. Specifications: 308 Win/180 gr/Trophy Bonded Tip/20 Per Box/10 Cs