Quote Originally Posted by rgg_7 View Post
Anybody got a detailed picture that they could post of a C3a1 mount on a M87. Looking to see detail from top view and right side. Picture from a real C3a1 would be fantastic. Ron (Canadaicon).
the base is slotted and the rings bases are riveted into it. cap screws (2 each side) from the bottom pull the ring caps down.

They are definitely modelled on the M40A1 Unertl rings and base.