Barnes Triple-Shock X has the all-copper hollow point groups tightly at long range and delivers consistent, large-diameter expansion. The monolithic design retains nearly 100 percent of its weight on impact to penetrate deep, and its grooved shank minimizes barrel fouling and improves accuracy.Features:One-piece copper construction;Deep hollow-point tip;Grooved bullet shank improves accuracy;Almost 100 percent weight retention;Deep penetration and large, consistent expansion