[OXENinFLA]

Here's a good site I found that has the marking codes on it.

http://www.geocities.com/p317/sks.html

I have a PRC factory "666" marked SKS.

http://www.geocities.com/p317/SksMarkings.html

[1066AD]

Thanks. Good Book: "The SKS Carbine, Third Revised and Expanded Edition (Biotechniques Books) (Paperback)"