Thanks again, Mike.
I got the hooks filed as you suggested and I think I'm done. The scope now pivots into the front base, deflects the slider rearward and it then snaps forward when the scope is fully seated on the front base. The slider position is just short of full forward movement and the scope is quite firmly seated. A piece of paper between the ring and base mating surfaces is tightly gripped when the scope if fully seated and cannot be pulled out.
This is an exercise where a person learns a lot that will probably never be used again. Possibly a summary of most of my gunmaking.
Dennis
