What grain .40 cal. Winchester Ranger T ammo do I use? I would like to find out which ammo would be considered the most potent round to have when confronting a BG----Winchester Ranger T .40 cal. ammo JHP@165 grains or-Winchester Ranger T .40 cal. JHP @ 180 grains? What grain (165 or 180 )of the Ranger T ammo has established a successful history of stopping the BG? What grain ammo in Winchester Ranger T ammo do you prefer and why!