Saw these for sale here:
http://www.coledistributing.com/MM054.ASP?cat=Magazines&i=&pageno=31&start=11
They advertise them as:
"Uzi 32rnd 9mm Mags, NEW magazines, made in Israel, NEW improved follower increases realiability and preformance."
The follower looks like it may be polymer.
I...