depending on the game and likely range, putting all the effort into properly sighting in with this scope as mentioned above, may be more trouble than its worth. if you're shooting under280 yards, you should be able to find a good .308 ammo that will not rise more than three inches above, or drop more than three inches below the line of sight of a more traditional reticle scope, when properly sighted (ROUGHLY hitting about 2.5 inches high at 100 yards). this means that if you put the crosshair (or mill dot, or whatever) on the center of the vitals of a whitetail that isanywhere from 0-280 yardsaway, you will hit in the vital area with plenty of energy. this is the advantage of a bigger centerfire rifle over a muzzle loader or shotgun. at the uncommonly used ranges longer than 280 yards is where a bdc type of idea may be useful, or you could justput the crosshairs and inch high of the center of the vitals at that range.

if you know your likely and actual ranges, it is unlikely thatyou would need to go through the trouble of thissighting process using a .308.