25
To see a schematic of the pre 1960 version of the model 25 CLICK HERE.
To see a schematic of the model 25D CLICK HERE.
To see a schematic of the model 25DS CLICK HERE.
To see a schematic of the 1980s version of the Rear Sight for the model 25 CLICK HERE . This rear sight was also used on some versions of the model 25, 25D, 25DS, 27, 35, 50, 50 to 1 and others.
Some model 25s used the model 23 rear sight, see model 23 for info on that rear sight.
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