for sale - Ferret50 upper. It has a 36" ChromMoly barrel. It has the Serbu shark brake and original brake. and Bipod included. Asking $1700. I still have it mounted on a bushmaster lower and a NXS 5.5 - 22 x 56mm scope on it. If someone in my area wants to try it first. This price does not include; Lower, rings or scope.