sighting in

I have been shooting dots with my R9 from 20 - 50 yards. It has been set up according to the instructions and am really happy with how it shoots groups at that range. However, I wanted to reach out further and shoot at 80 - 100 yards and am shooting high groups consistently. Ravin said once you...

So I am sighting in my crossbow. I have my dial turned all the way up sighting in and still coming in 2" low. This is weird because my brother has the same exact set up and his is dead nuts every time. Only different is I broke one of my scope rings and had to buy replacement rings but they are...