Copper jacket is electro-chemically fused to core through a sophisticated and refined molecular application technique - Formed under consistent pressure for complete dimensional control and bullet integrity - Perfectly uniform jacket - Skived, pre-programmed nose provides consistent expansion - Maximum weight retention for deep penetration - Boat-Tail design provides flat trajectories and more downrange energy Quantity: 20 per Box Manufactures Website Address www.federalcartridge.com Warranty Information Warranted against manufacturers defects.