Is the scope body/tube pointing in a different direction than the barrel, or are the crosshairs pointing way off?
If you can tell the body of the scope is pointing way off then that's bad...
Could be the scope base or the mounting holes in the reciever.
If the crosshairs are way off but you cannot tell if the scope body is misaligned then that could have an easy explination. Sometimes scopes sent from the factory are adjusted way to one side.
If it's the crosshairs, then try this:
-Turn the windage adjustment all the way to one side.
-Turn the windage all the way to the other side, but count the number of clicks or note the number of turns it takes to get to the other side.
-Once you know the number of clicks/turns, then adjust the windage back in the other direction but only turn the adjustment half of the number of clicks/turns. That should give you close to the mechanical center for windage.
-Next step is to do the same thing with the elevation.
-After that, stick it back in the base and check to see if the crosshairs are pointing close the same direction of the bore.