I was looking at an AK mag SKS at a gun show and saw a 93 stamped on the receiver near the Serial number,don't see this on the regular Chinese SKSs. I am assuming this is the impot date,am I correct? It was equipped with a folding stock,and if it was a 93 then the stock could have been installed prior to 9-14-94 therefore making it a possible grandfathered assault rifle. I haven't looked at any other AK mag SKSs yet,any of you guys familiar with them,I know some of you have posted that you own them,how about taking a look? It looked interesting,16" barrel and folding stock would make a nice compact package.