i found this vid and thought it interesting.forget when i made it but....
thats a chunk of ground and polished drillrod siting in a lapped 4 bolt scope mount.
Gamo hunter i think...the doves was bad off on the Gamo....remachined the doves.
now the rig still hangs second on my most favor guns.:)
http://s24.photobucket.com/albums/c25/fix55it/?action=view&current=adjmountrightleft.flv