I just ran into an issue in trying to get the right height on a set of Nightforce rings. Here is a calculator that may get you closer to what you need without getting the wrong rings.
Scope Ring Height and Clearance Calculator
This lists the method that I've always used to measure the height of rings. But there are two ways. One of which measures the base of the rings to the bottom of the tube. Instead of the middle of the scope tube.
Scope Ring Height and Clearance Calculator
This lists the method that I've always used to measure the height of rings. But there are two ways. One of which measures the base of the rings to the bottom of the tube. Instead of the middle of the scope tube.
