I had the same issue w my vipers, did you use the shim strip that comes w it? I had to use it then the glue came loose and it keeps coming off, they even sent me another shim strip. Finally they suggested cleaning stock glue off strip and using super glue, I was hesitant but tried it and so far the B1 has stayed on…..so far! Stayed on throughout elk hunting season this year. Fingers crossed. ... Read more
*@jadavis343 yeah I think I tried it all types of different ways then gave up. I've since destroyed it taking it apart so I could 3d model it with a deeper cup well