The Barnes Triple-Shock X-Bullets in .22 caliber (0.224") deliver revolutionary performance with 100% copper construction and 50 grain flat base design.Barnes Triple-Shock X .22 caliber bullets 50 grain flat base100% copper construction for maximum performanceExpands on impact creating four razor-sharp cutting petalsRetains 100% of original weight for deep penetrationPenetrates dense bone and tissue effectivelyBest accuracy when seated 0.03 to 0.07 inches from rifling50 bullets per boxBarnes Triple-Shock X-Bullets are sold for various calibers and in several diameters each being revolutionary and made from 100 percent copper.These bullets are designed to expand upon impact producing four razor sharp petals with deep cutting capability. For hunters who want to ensure a one-shot kill the bullets penetrate dense bone and tissue.In addition the bullets are designed to retain 100 percent of the original weight.The manufacturer states the best accuracy is found when seating from 0.03 to 0.07 inches based on the rifle being used. These live bullets are ready to take down big game.Shopping for Reloading Supplies? Score big savings and fast shipping on all reloading projecticles reloading primers and unprimed brass / cases available online at Ammunition Depot!