I've got a colt 604 upper I was going to build a 601 clone with, the arrow marking on the reciever has been taken off but the barrel is in excellent shape. It has a 601 port door made by jerrel sharp. The barrel is marked c mp c, there is no forge flash on the fsb but does have the drain hole. Comes with a set of painted drain hole handgaurds , paint needs to be stripped as it is showing through in a few places on the left handgaurd. Asking $300 for the barred upper stock set. 15 dollars shipping .
I've also got all the 601 lower parts that jerrel makes.
601 front pin, rear take down pin. Dimpled selector, 601 sight wheel, 601 bolt catch, 601 magazine release assy, and a trigger guard . Comes with most springs and detents , no trigger. Asking 65 plus 5 dollars shipping .- sold pending funds