The Sig Sauer E3WMH120 Elite Copper Hunting .300 Winchester Magnum 165 gr Copper Solid delivers the long-range power and controlled terminal performance that serious hunters demand, and if you hunt big game or take long, ethical shots youll appreciate why this Elite Hunting series round is built around a copper solid bullet designed for deep penetration and reliable weight retention. With a muzzle velocity around 3110 fps and muzzle energy near 3543 ft-lbs, this cartridge gives your .300 Win Mag rifle the kinetic authority to reach longer yardages while maintaining straight-line penetration through heavy bone and muscle, which matters when tracking and recovering game. The brass casing provides dependable feeding and extraction in bolt and mag-fed actions, and HazAir designation supports compliant transport considerations for carriers. Sig Sauers Elite Hunting name signals a lineup focused on field performance, and anglers of ballistic consistency will find the stated ballistics useful when dialing scopes or plotting trajectories for ridge-country elk, plains game, or seasonal hunts where wind and range are factors. If you want a hunting round that balances high velocity, hard-hitting energy, and a bullet type aimed at maximum penetration and retained mass, this Sig Sauer offering is a strong match.