I asked a question a while back about whether anyone produced modern Russian bags and packs. It seemed I wasn't the only one struggling to find this stuff as a few others were also looking, and there's been another similar post since; I've found these which look the part:

http://www.agvmodels.es/en/post-ww-ii/14-ford-v3000-stowage.html

There's also another set on their site.