Originally Posted by Jenks

Quite a few years ago a hunting magazine had an article in it about estimating range using the top of the duplex post and the center of the crosshairs to estimate range in the manner that Flags uses. It said that a lot of scopes, when at their highest power, would have 6 inches between the post top and crosshairs at 100 yards. At 200 yards it would be 12 inches, at 300 yards it would be 18 inches. If a deer's body at broadside is 18 inches from bottom to top then we have a system.