Thank you
I was unsure, as it could very well have been taken from another such Yunker-2 BB gun.
They are becoming scarcer in Western Europe, due to the ongoing conflict in Ukraine and to the EU sanctions imposed on Russia after the annexation of Crimea, but, yes, they're extremely cool, as they were made from real firearms parts (the receiver came from a semi-auto Saiga rifle, though) and sport the same furniture as their Russian army counterparts. You can also field strip them the exact way you would field strip an original AK.
As you might know, European gun laws are tougher than in most U.S. states, so having a BB gun made by Izhmash is definitely one of the coolest ways of owning an AK in France.
Is the serial numbering of AK mags rather a military or a civilian practice in Russia? That was the point of my original question, as I have little doubt the magazine is a genuine one.