I think your new buffer design is a very good idea for those who have installed the drop in retro piston kits and are having tilt wear. It is a simple drop in solution, great design!
I have been keeping up with all the piston systems, and have shot and studied them all, they all have carrier tilt, its just the nature of the beast.
You should well with your new buffer, there are several retro kits out there that need it, even if one of them are telling the public there system doesn't have carrier tilt.......................AD