I shoot the Hornady, 6mm, 0.243”, 75 grain, V-MAX bullet in a rifle chambered in the 243 Win cartridge. The Burris Cartridge List shows the parameters for this bullet at 3,330 feet per second (fps) muzzle velocity (MV). My handloads give me a MV of 3,483 fps which is 153 fps faster than 3,330...