[b said:Quote[/b] ]Today, Cor-Bon/Glaser lists a 180 gr "Hunter" loading of 1320 ft/s and 696 ft·lbf (943 J). This is nearly twice the energy of a .45 ACP. Double Tap Ammunition offers a 135 gr loading at 1600 ft/s producing an astonishing 767 ft·lbf (1040 J) of energy!