With every meter the Wehrmacht advanced into the Soviet Union, their supply lines seemed to grow exponentially longer. This provided ample opportunities for Soviet partisans to inflict casualties and destroy vital aspects of the German war machine, and they used an assortment of arms to accomplish their mission.
Here's the story of one well-traveled, Mosin-Nagant rifle that had been born in one country, fought for another country and then fought for two more countries over a short span of only thirty years.