I talked to them about a month ago, they said that they had plenty in stock, but they were in M16 configuration and wouldn't sell them to me without a registered machinegun. I'm no expert, but while I understand that companies don't want to sell M16 parts to AR15 owners, but I've never heard of a company refusing to sell a M16 carrier, hell plenty of people use them in their AR's for the extra mass. It's my opinion that they just weren't able to produce a reliable system that would be "drop in". I talked to one of my dealers who will remain anonymous about this and he said that he was promised a shipment about 3 months ago, but can't even get in touch with them now, and he is a high volume AR dealer. If I were to spend the money and wanted to use pretty standard parts on my weapon, I would opt for the L-W system, but that's just my $.02