Fusion Ammo by FederalA(R) is among the most lethal deer bullets using programmed expansion memory. Advanced Fusion Ammo with punch. A sleek profile and perfect center of gravity provide superior ballistics, less drop over distance and extreme long-range accuracy. Skived tip for long-range expansion, short-range toughness Pressure-formed core provides strength and expansion never before available in a deer projectile Copper jacket is fused to the core, eliminating any component separation