I'm interested in this ammo too. So far I found these options I may go with if the TAP's don't come out anytime soon.
http://www.doubletapammo.com/php/catalog/product_info.php?cPath=21_71&products_id=267
http://www.grafs.com/product/236827
Here's my 7.62 I just converted. Just has a double hook G2 trigger(got sent the wrong one but I just made it fit) and an Isreali grip for now, waiting on the CAA stock....