The Winchester Supreme Elite XP3 270 Caliber Rifle Ammunition starts with a 2-stage expansion design, then combines all the best-known bullet technology into one bullet. It delivers precision accuracy, awesome knockdown power, and deep penetration all in one package. It's as effective on thin-skinned game, like deer and antelope, as it is on tough game, like elk, moose, bear, and African animals, at short and long ranges. The XP3 is the closest thing to a perfect hunting bullet you can buy!
The XP3 features Rapid controlled expansion, Massive knockdown, moderate penetration. It penetrates thin skin, light muscle and bone.