Winchester Copper Impact Rifle Ammunition 300 WSM 150 gr. BT 3200 fps 20/ct

Copper Impact ammunition is engineered specifically for big game hunters, utilizing a tough solid copper expanding projectile that provides more impact trauma, better energy transfer, and larger wound cavities for faster knockdownFeatures:ACCELERATED EXPANSION-Large diameter polymer tip delivers rapid impact traumaFLAT TRAJECTORY-High ballistic coefficient bullet with engineered boattail improves long range flight characteristicsLETHAL ON BIG GAME-Devastating performance on deer, elk, and anything in betweenSUPREME ENERGY TRANSFER-Solid copper construction maximizes retained weight