No offense but I still do not understand where the Soviet High Command is coming from this.
They are literally opening a hole in their defense line and sacrificing battalions and supply bases just for a tiny % chance of recovering a weapon?
I mean the BETA consume everything no? THe fact that the Tank got there quickly means that the gun would've been consumed before the Soviets would even get a chance to analyze it.
Granted it's the Soviet Union but I doubt that they have the same manufacturing and manpower resources they would have in WWII.