180gr SP Fusion 308Fusion Rifle 308 Win Part # F308FS3 Grain Weight: 180 Muzzle Velocity: 2600 Product Overview Fusion was the first rifle ammunition specifically built for deer huntingand 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