Does anyone have a cross- reference for the various versions of the Stith mounts and which make/model scope(s) will fit on them?

I have a first series 1" Weaver K4 and was wondering if later K4s or other scopes could be used on the mount. I think I read somewhere the front diameter changed on slightly newer K4s.

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Last edited by KeithNyst; 10/24/16.