Another problem with Puppchen is that the crew bunch up very badly. Even when they don't, there are always the 2 men manning the gun being within a meter of each other, so an explosion hitting near the middle of the gun has a high chance to wipe them both out. Perhaps they could take reduced damage from explosions or make it only need one man to operate and move like the Heavy Mortar.
I still believe that Panzerschrecks should be moved to Sturmpioneers, they already have lines for them anyway. Move them to Sturms, one on a squad, maybe a faster RoF to make them more dangerous since there will be much less of them. Give Volks an SMG or AR (not as good as PG's or Sturms) upgrade and dirt cheap Panzerfaust that only does health damage, as a deterrent, no crits.
Poop-chan