Grr, still can't get the image tags to work. Whatever.
Yes, I built this myself. The one in the picture is actually a prototype reflector that Don made for me, and isn't for sale, though it's probably indistinguisable from the threaded McR-27s available from the shoppe. I can build McCapsules for you if you're interested, PM me for details.
BTW, the McCapsule will not work in the PM6. The Mc*Module* is the widget that fits in the PM6. The McCapsule fits in the Longbow (though it won't work with the stock longbow head, IIRC).