Federal Premium 243 Winchester 90gr ELD-X Centerfire Rifle Ammo - 20 Rounds - This match-accurate, hard-hitting hunting bullet stands apart thanks to an extremely high ballistic coefficient and a design that provides effective expansion at a wide range of velocities. It features a unique polymer tip that resists deformation to achieve consistent ballistics and initiate extreme-range expansion, as well as a concentric copper jacket and robust shank. Federal brass Uniform match jacket ensures consistent, long-range accuracy Specially formulated propellant Polymer Tip