I have a BSA 4x32 and a 3-9x32 Airgun scope on my RWS 46 magnum and 460 magnum, Both have held thier zero with a Zero stop Pinned mount.
I have a center point on my Benjamin Trail.
I also run the RWS 4x32 Compact on my Benjamin/Sheridan 392 all with good luck. I even took the RWS off and ran it on my AR15 5.56 for a while. Good scope for the money