It might be a shop that sells classic guns which are not in working condition.
The current legislation in EU permit to buy such items from various countries and easily make a working
Kalashnikov.
Check Slovakian and German AK.
This item is legal in EU and banned in USA:
I think this is really sick this is possible now a days, these days everything is possible to buy with the bitcoin because its untraceable.
But I think this is going way to far if you ask me, this is just not allowed and I now can see why terrorists can get a weapon in Europe, they not even have to search hard for it...
You can buy all kind of things these days, I saw someone selling drugs I thought that was the limit but this is just going to far in my opinion.