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Yesterday i bought a Gamo big cat 1200 (my first gun) and i set up the target i took a couple shot and i noticed the bullets were hitting bottom left, so i adjusted the scope raised it and turned it to the right and i shot again,the bullet went up to exactly where i aimed but it was still way to left so i adjusted the scope again to make it right and the shot was still around 8 inches to the left. I tried everything, i moved the scope thing so that it was "all the way" to the right but its still 6-8 inches to the left. Can anyone please let me know what ive done wrong?
 

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From your description sounds like the scope might be defective. Your adjustment raised the point of impact but is doing nothing for windage. You could take the scope off the pellet gun and place a mirror against the object end. Looking through the eyepiece you should see the crosshairs and its image in the mirror. Now adjust the elevation and windage knobs while looking at the two crosshair images. They should be moving either together or apart dependant upon how your moving the adjustment knobs. If the elevation knob adjustment moves the horizontal crosshair up and down then that correlates to what you obtained while shooting. Now move to the windage knob and repeat making adjustment. Did the verticle crosshairs move together or apart. If no movement then your scope is defective. Since your outfit is new either the dealer or manufacture should replace the scope.
 

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Make sure the scope mount is centered and clamped into the grooves in the receiver. If you are getting older like me and can't see that well, use a magnifying glass. If it isn't mounted well you'll never get it centered. I have seen bad scopes as well as monting grooves not cut true to the bore. You could also have a bent barrel. It would be so slight you can't even tell by looking at it.
 
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