I have a ole Tasco world class that I bought when I was 16 for my 30-06 and its still on there. Its the only Tasco that I own, but its been a real dandy of a scope. It has the rubber coating with the built in rings for it, I think they called it armour guard. Its as clear and any of my Nikon's or Leupold's. I have bought a couple Tasco's since then and had no luck with them.