Originally Posted by
rancidtom
Soft shims used correctly will not bend a scope tube, hard shims will unless the screws are left too slack to gip the scope properly and seeing as this is a recoiling rifle it can cause crimping and bending to the scope tube if done tight enough to prevent the scope moving in the mounts.
I stroungly suspect a barrel misalignment problem or quite possibly the rear of the mount has been fitted OVER the recoil arrestor stop thus not allowingg it to clamp correctly on the scope rails. A one piece mount will need to be mounted in front of the arrestor stop.