The Barnes Harvest Collection merges Barnes' renowned terminal performance with Sierra's legendary accuracy providing hunters with unmatched precision and devastating stopping power. With a lineup of calibers chosen and priced to compete in the Whitetail & thin-skinned game market hunters who aspire to shoot Barnes will now be able to make every shot count. This ammunition is new production non-corrosive in boxer-primed reloadable brass cases. The Sierra GameChanger hunting bullet is the perfect combination of Sierra's legendary match accuracy coupled with deadly penetration. Sierra re-engineered their legendary MatchKing bullet into a hollow point design for quick expansion and fitted it with a transparent green tip for ballistic uniformity. Inside the GameChanger features a unique construction that utlilizes a special lead alloy surrounded by a tough copper jacket that delivers excellent penetration and expansion at a variety of ranges. It's a GameChanger on any hunt!