I have seen original 61s and 63s with rear sights that have a countersunk leaf screw into the base and others with a screw head that is proud of the base. Which one is correct? My '63 has the latter, as does my altered '41 Mississippi. The 41(formerly owned by Doc Chambers) has a screw that is too short for the base and the replacement I bought is the same length, obviously intended for a countersunk base.
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