30 Caliber .308 Diameter 150 Grain Super Shock Tipped With Cannelure 100 Count by HORNADY AMMUNITION AND BULLETS Streamlined for ultra-flat trajectories. Polymer tip for rapid expansion and maximum energy transfer. Match-grade jacket delivers surgical accuracy. Heavy construction with InterLock® feature delivers deep penetration every time. Boat Tail Ballistic Coefficient .415 Sectional Density .226