The Barnes .429" 300 Grain Buster Bullets are engineered for maximum stopping power in .44 Remington Magnum .454 Casull .45-70 Government and .500 Smith & Wesson cartridges. These fully-casted bullets deliver unstoppable performance for serious big game hunting.Barnes Buster Flat Nose Flat Base bullets .429" diameter300 grain weight for maximum impact energyThick copper jacket with heavy lead core constructionSuperior weight retention and deep penetrationStraight tracking without deflection50 bullets per boxIdeal for hunting wild boar bear buffalo bison moose and other large dangerous game. These bullets provide bone-crushing force with reliable pass-through penetration for ethical one-shot kills on the toughest animals.