FusionA(R) was the first rifle ammunition specifically built for deer hunting-and it's still the best, offering the largest expansion and highest weight retention in head-to-head comparisons against the competition. With a molecularly fused jacket and a pressure-formed core, Fusion transfers maximum energy on target. Copper jacket is electro-chemically applied to the core, resulting in a perfectly uniform jacket Excellent accuracy Skived, pre-programmed nose provides consistent expansion Maximum weight retention for deep penetration Mfg: Federal