I was going to ask if it was an Indian or Sri Lankan kidney...?? Or the Ukraine, they have kidneys to spare now... and some mail order blonde brides to fuel the war money...
Bump - Remember, your AR is 60 year old technology... yes, even your MCX is really an AR180... unless you are a nostalgia buff who like Vietnam Era hardware, not as cool now, right? It is time for an upgrade... like a SCAR...