Has to be the mounts themsleves Ant. Rubber strips should solve the problem if you really just want to use your existing mounts BUT------
The 80 is a big beast and so on my .22 Venom Maglaza 22 ft lb FAC one I use a Sportsmatch one piece mount with arrestor pin. A V Mach tuned 80 really deserves a good mount doesn't it?
'It may be that your sole purpose in life is to serve as a warning to others'.
NOt 100% sure but I seem to recall the Pro-Air being aimed at springer use in particular, but what you're saying makes sense, although decent mounts should still put a stop to it, or at least I'd hope so. When I bought my tuned 80 it had a Simmons 6-24x44 on it, huge scope, but that was fine. It was on a one-piece Sportsmatch mount though.
Hate to disagree with you but surely the Pro Air should be perfect on a HW80? It was designed for magnum springers. I use them on my Webley Patriot and HW80 -both powerful FAC rifles. More to the point I used one on every Eliminator I have ever owned and they never budged. Any scope that copes with a powerful gas ram should be fine for a legal limit rifle-even the notorious scope busting TX200SR!!
'It may be that your sole purpose in life is to serve as a warning to others'.
Sounds like naff mounts, Sportsmatch, BKL or B-Quare should sort it. I did have a scope on my TX using single strap BKL mounts and that did not move a single mm. Ok not the ideal mounts double would be better but it shows what good mounts can do, i did use a home made arrestor block on the rails though
Set Bazookoids to kill stuff and mount. We're going in!
sportsmatch mount now on,
now going to zero......
have to say they look nice on the gun.
http://i549.photobucket.com/albums/i...0/IMG_1213.jpg