Quote Originally Posted by Micheal Doyne View Post
N25704
Early on in the flood of Mosin's, a company in Ukraine who manufactured PU scopes in WW2 unmothbolled its equipment and made new production PU scopes. The distinguishing differences are the screw heads, as was already mentioned, and the serial numbers all started with "N". The bases can be recognized by a combination of milling marks that remained where they should have been smoothed out, and the rear "tabs" that would have been filed down in fitting providing the initial windage zero.