30 Caliber .308 Diameter 172 Grain Impact Tipped Plated CB 50 Count by Speer now carries the 30 Caliber .308 Diameter 172 Grain Impact Tipped Plated CB 50 Count from Speer. The 30 Caliber .308 Diameter 172 Grain Impact Tipped Plated CB 50 Count blends tough and molecularly bonded construction with a high ballistic coefficient. Its ground breaking Slipstream polymer tip provides a perfect aerodynamic meplat and and its hollow core initiates expansion at velocities 200 fps lower than comparable designs. The combination results in deep penetration at mid-range and as well as extreme accuracy and consistent low-velocity expansion at long distances. Specifications and Features: Ballistic Coefficient: 0.522 Sectional Density: 0.259
