Hornady BLACK ammunition is specifically optimized for maximum performance in America's favorite modern sporting rifles. This load uses Hornady's polymer tipped SST bullet. Hornady's SST bullets are streamlined for ultra flat trajectories and contain a premium polymer tip for rapid expansion and maximum energy transfer. The match grade jacket delivers surgical accuracy while heavy construction with InterLock feature delivers deep penetration every time. America's gun runs on BLACK! Hornady BLACK 80784 7.62x39mm 123 Grain Hornady SST Bullet Polymer Tipped Ballistic coefficient G1 .295 Sectional density .183 Reloadable brass case Test barrel 20" Muzzle velocity 2350 fps Velocity at 100 yards 2040 fps Velocity at 200 yards 1755 fps Velocity at 300 yards 1502 fps Muzzle energy 1508 ft/lbs Energy at 100 yards 1136 ft/lbs Energy at 200 yards 841 ft/lbs Energy at 300 yards 616 ft/lbs Use for competition and hunting