“The Banderstaat are the ones with the weapons.”
Banderstaat would mean “Bander State” - that makes no sense. It would be better to refer to them as Banderists or as adherents of the UPA: http://en.wikipedia.org/wiki/Ukrainian_Insurgent_Army
“They are the muscle for the revolutionaries.”
Some of it, yes. And?
“And they are Nazis.”
Nope. The original UPA fought the Nazis - and then allied with them when necessary. Eastern Europe’s bizarre history forces such strange relationships to come into being.