The Barnes Triple-Shock X-Bullets in 7mm (0.284") caliber are revolutionary hunting bullets made from 100% copper construction. These 175-grain flat base bullets are engineered to expand upon impact producing four razor-sharp petals with exceptional cutting capability.Barnes Triple-Shock X-Bullets - 7mm (0.284") diameter175-grain flat base design100% copper construction for consistent performanceExpands into four razor-sharp petals on impactRetains 100% of original weightPenetrates dense bone and tissue effectively50 bullets per boxDesigned for hunters seeking reliable one-shot performance on big game. Best accuracy achieved when seated 0.03 to 0.07 inches off the lands depending on your rifle. These premium hunting bullets deliver deep penetration and devastating terminal performance.