Cuz the Flakvierling has workable hinges, it's on the backburner now.
Enter, the Pak 35/36, plus Eduard PE and an RB barrel (which is in the mail). No working parts in the PE.

I can knock this one out, and get back to the Stalin.
I'm sorely tempted to add it to my Hanomag, make a 251/10, but I like the stick bomb, so a separate atg it is.