I have a remington 700 cdl sf and i mounted it with a nikon scope. The problem is after i boresighted it i can see the gun barrell in the scope?? I dont think that is normal. its just in the bottom of the scope. I used the right mounts and rings. What is wrong or is this normaL?? mAYBE I BORESIGHTED IT WRONG. i havent shot it yet?? [:@]The gun has a long barrel. ANY help would be great