10/22 great rifle. Sounds like you got the windage maxed out it should come to a stopping point. What kind of rings are you using ? When you tighten the rings down on the scope tighten a little at a time and cross tighten, EX: front left then right rear front right, left rear. I to upgraded mine with a green mountain barrel from Cabelas and a Hougue stock, trigger an recoil buffer and put a simmons 10/22 scope on it, that things a shooter now. Check out rimfirecentral for info on upgrades.