I got a 5.56 bolt and carrier a couple weeks back web site said back order available and it shipped a couple day later. I also got an 7.62x39 bolt only it was in stock.
I second that Rubber City Armory 65G BCG. I got one last Summer and am very pleased with it.
Enlisted Men are Stupid, but Extremely Sly and Cunning, and bear Considerable Watching.