Thanks for the resonse KN. I know how many clicks for 100, 200, 400. You are right, it is not simple and bullet trajectory plays with it alot. I had the formula at one time and it works great on a sticky taped to the gun. What I did was set the scope for a 100yd zero and then zeroed the elevation turret to zero. Then all I needed to do was read the range finder and dial in the right number of clicks and pull the trigger. The bullet hit the right place the first time, no guesses.
Qaz