Impact 20 MOA rail

Why sweat the small stuff. There a dozens of ways to get moa for your scope. Why couldn't you just loosen the rear two counterbore screws on the rail and shim the rail up. It only take .030 to get 20moa. If a guy want to get technical drill and tap a .250 hole in the rail. Add a set screw. Use the factory screws to lock it down on the set screw. Wala you have a adjustable rail for $.025.