Yeah, I've done it before, buying at gunshows and such.

by Hoot , Diversityville, Liberal-sota, Wednesday, July 03, 2013, 08:01 (4106 days ago) @ FOG

But, my assumption [insert, 'You know what they say...' here] was that the M77 would be combinations of existing rings rather than some other dimensions. Manufacturing efficiency and all that...

This is my first foray outside the 1" scope tube realm. Based on what I'm seeing, I might not go here again. It was a killer deal on a great scope though ($300 elder, variable Kahles) so I guess it works out in the end.