I just managed to get our teams S&T MG42's sorted out in time for todays game (Thanks KenTsui for that youtube vid!) and boy oh boy did she own the battlefield!
I was reliably informed by the opposition with the rate of fire and buzzsaw sound they made meant they were as intimidating as the real steel! (well, almost

)
Also tried out the PP Kar98, she is a fantastic shot and a practical skirmishing Airsoft rifle, even with the low mag capacity.