More thorough than say clicking and using POI at 100yards as an approximation? What standards does a scope have to meet before you state that it "tracks perfectly"?
I came across this youtube channel that has a few tracking tests (Lil Chantilly - YouTube) and assuming they were careful in...
I'm working on getting either a .308 or possibly a 6.5CM for my first long range project and in either case would likely use a 20MOA base. The more precise question would be: How would I go about approximating how much elevation adjustment (up) I would have with a given scope from a 100 yard...