300 Win Mag Hornady Precision Hunter 178gr ELD-X 20rdsHornady Precision Hunter . 300 Win Mag 178gr ELD X is engineered for devastating terminal performance at all practical hunting ranges. The ELD X bullet features Hornady's Heat Shield tip, which resists aerodynamic heating to maintain a consistent, high BC profile from muzzle to target. At close range, the bullet expands rapidly with 5060% weight retention; at extended range, the Heat Shield tip drives backward to initiate reliable expansion with 8590%