Yeah, there was a place by me that provided the lower and the machinery to make them. And I've heard you can create your own personalized SN to put on the gun and have a shop register it to you.
Funny thing about Mil Vs Moa. Like most guys, I was a MOA guy until Mil/Mil scopes started showing up. Until then I was perfectly happy using minutes, now I can't imagine life without mil/mil... Kinda like life before cell phones