That is also basically the same as a savage 5, 5a, 56, I have a schematic I got from daveb@gunpartscorp.com u might want to check with him
schematics for a stevens model 75 22 slide action
NUMRICH HAS PARTS FOR THE STEVENS 66B
http://www.e-gunparts.com/
THAT DEPENDS ON WHO IS BUYING IT.
Your stevens model 65/66 rifle was made during the years 1929-1945.
The savage/steven model 65-66 was made from 1929-1945 with total production being 174,000 guns.
50-175 USD
The Gun Digest Book of Modern Gun Values, 9th ed, shows the Stevens No.66 with a used value of $75 to $80.
Numrich has a gun parts website. Best bet for any gun parts or schematics...
These range in price from 30-60 dollars.
There is the possibility that your Stevens model 66-B does not have one.Serial numbers were not mandated until 1968 by the GCA(gun control act).My records indicate that the Model 66 was made from 1929-1945.With a production of 174,000 firearms.
Go to www.savageparts.com and look through the schematics. sales@countrygunsmith.net