My parts order finally arrived for the PP750, so I finally have some replacement parts. I'm sure I'll find out I'm short of something but anyway I've got a bunch of the sliding stock buttons and a few rods and some buttpad parts. I also have some Sidelevers and the internal parts for the Sidelever.
The piece that joins the tube to the main body of the pistol seems to be crooked on some guns making the tube cockeyed to the barrel. I have a bunch of those so hopefully that problem can be fixed now.
As some of you have seen, Attila has designed a plenum for the PP750 with a gauge and pic rail. Those should be available soon, perhaps as a dropship item from Travis in California.