6.5mm .264 Diameter 123 Grain Hollow Point Boat Tail Matchking 500 Count by SIERRA BULLETSThe 6.5mm 123 grain Hollow Point Boat Tail was designed to fill the gap for a mid-weight and high B.C. bullet for the ever-increasing 6.5mm long-range crowd. This bullet is a popular choice for long-range target and Silhouette customers. Keeping the long-range design in mind and we built this bullet with a longer ogive and smaller meplat and improved boat tail to preserve downrange efficiency and enhance accuracy and and reduce wind-drift. Ballistic Coefficient 0.510 Sectional Density 0.252