The solid base boat tail design and special jacket contours of Winchester Ballistic Silvertip ammunition deliver excellent long-range accuracy with reduced cross-wind drift. The Ballistic Silvertip bullet is designed to deliver rapid expansion and fragmentation in varmint-size game calibers and controlled expansion and penetration over long ranges in deer-size game calibers. This ammunition is new production, non-corrosive, in boxer primed, reloadable nickel plated brass cases. FeaturesAlloyed lead core and thick copper base retain weight while driving through the vitals of big gameUpon impact, the contoured jacket peels back while holding together the lead core and maximizing knock-down energyBoattail bullet with high ballistic coefficient overcomes air resistance for flatter shooting at longer ranges