yes you're right ... possible that Hungary or Bulgarian production because this piece of wood has a orange color and that is tipical for east Germany, Bulgari and Hungary ... ex Yugoslavia AK 47 and other variants of Yugoslavian kalashnikov have yellow color of wood on kalashnikov and yugoslavian kalashnikov have two cavities of cooling tubes , and other (excluding russian models of kalashinkov) have three cavities.(some new yugoslavian model also three cavities)...
btw best rifle on the world, trust me I know
I hope that you understand me...my English is not best