Sure they will. They have so many systems that they have no need for at this time, letting their bosom buddies have a system or two is no sweat off their backs.
Who will start the pool noting which date said Air Defense System(s) become bits and pieces all over the area?
If they turn on their RADARs they’re dead.
Yea, anything Russia gave the Wagner Group is going to be 25 years or older and they still have to deploy it under constant surveillance.
Russia really doesn't need another public demonstration of their crapy tech.