Try another scope. I mounted a 10 yo Burris Fullfield on a rifle last week. It had been stored in a drawer for several years. I thought something wasn't right when sighting it at 25 yards. Moved to 100 and it was all over the target, so I've boxed it up to go back to Burris.

Last edited by Joe; 09/18/17.
Shew me thy ways, O LORD: teach me thy paths.
"there are few better cartridges on Earth than the 7 x 57mm Mauser"
"the .30 Springfield is light, accurate, penetrating, and has surprising stopping power"