I am helping a friend putting a new sight on his ranch rifle. It is a 185 prefix serial no. He had an old Norinco scope and mount on it. Have been looking for a rear peep. Can't find an origonal and have been looking on Numerich and Midway and the replacements all look like they drift into a dovetail and there isn't a dovetail or maybe I just don't understand. could I get a suggestion from any of you fine Gents?
Thanks for any input Mark

Thanks for any input Mark