In case you have forgotten, VFC produce fully licensed XCR AEGs from Robinsons Armament for some time now. In this video, Mach Sakai tries out the XCR-L Micro, a stubby AR-style AEG that is made of polymer. It has a folding stock and comes with all the markings. Usually, the package comes with a 120 round, mid-capacity AEG magazine.
Evike.com's "The Gun Corner" features the Echo1 Robinson Armament Polymer XCR-P AEG... "The Echo1 XCR-P (Pistol) Polymer features everything you loved about the original XCR in a light-weight and more economical package. It features a polymer body, standard Version 2 gearbox, and is wired to the front with a PEQ Box battery compartment.