i once used some of that jack pyke stretchy bandage stuff on my old tx, the stuff they claim sticks only to its self on not your gear. it eventually turned all tacky on gooey and left sticky smears all over, and let water in. i've currently got some other camo cloth tape, that isn't stretchy, on my rifle. i too were worried about water/condensation getting under it so the guy in the gunshop recommended spraying my rifle with WD40, letting it dry, and doing it again, then putting the tape on, then spraying the tape with WD40 to create at least a bit of waterproofing. i've been out in the rain w