Federal Fusion Tipped .308 Win 180 Grain Centerfire Rifle Ammo delivers ultimate precision and performance. Fusion Tipped ammunition features a pressure-formed lead core with a copper jacket molecularly bonded to the core. This precision bullet offers hunters excellent weight retention, deep penetration, and the desired expansion to take down game. The polymer tip improves the ballistic coefficient with a flat trajectory and increased overall range. Improve on your favorite rifle's performance and accuracy with Fusion Tipped ammunition from Federal Ammunition. Polymer-tipped design Pressure-formed lead core Uniform copper jacket Excellent accuracy and deep penetration Great expansion and weight retention