270 Caliber .277 Diameter 150 Grain AccuBond 50 Count By Nosler ITEM DESCRIPTION now offers the new Nosler 270 Caliber .277 Diameter 150 Grain AccuBond 50 Count. Specifications & Features Assures accuracy and smooth chambering and eliminates tip damage during recoil. Lethal penetration and uniform expansion with maximum weight-retention and minimal barrel fouling. Engineered for balanced expansion. Eliminates all possibility of component separation. Boat tail configuration combines with the streamlined polymer tip for long-range performance and for easier loading. Minimum Velocity: 1800 fps Sectional Density: .261 Ballistic Coefficient: .496