Didn't catch all the posts, but I'd see what the scope is doing. I have a target stand I built out of plywood cut at 3' x 6'. Put a white sheet of paper top to bottom. I use freezer paper. Draw a heavy black line top to bottom. When you set it up, use a level to make sure the line is plumb. First, put a bulls eye at the bottom. Then put a cross mark every 5" going up to 30". Assuming yer sighted in at 100 yards, set it up at 100 yds. Then shoot adjusting the scope to 5 MOA, 10 MOA, etc to 30 MOA. If the scope is on, you'll hit the cross mark at each marked MOA. If there's cant issues or the holes start going in different directions as you go up in MOA, you've got a scope issue. If they're spot on start looking at some of the stuff noted above. On a side note, I was shooting some Hammer bullets that I thought were gonna be the schitt. I was getting a consistent 7/8" - 1" group at 400 yards. At 700 yards they were spraying all over the paper. My Berger 230's meanwhile were still shooting 1/2 MOA groups at the same distances out of the same gun. The Hammers were destabilizing past 400. Got three boxes that I'm using as paper weights for the time being...