Where would one get such files? And are there resins durable enough for this application?

The first two images are also not even Russian but Czech t-72 modifications - t-72m4cz

Arma 3, with mods you can make any scenario you want pretty much and there are a number of scenarios made by community which center around guerrilla warfare.

In addition to the other mentions here I can also recommended looking into Deemix. This pulls flac or mp3 from deezer. It is able to do whole albums or discography also. You’d need a deezer subscription but you can find arl for a subscription if you look around.

Fn MAG, picture is mirrored.