GETTING MY COLT 6721 UPPER FOR SALE TO WORK

 Actually, I would not shoot one.  Time to maneuver on to a whole new rifle.  Get an LMT or HK if you like armed service design and style pistons.    Colt has no interest in assisting you out.  They abandoned that venture before their very last individual bankruptcy.If any FFL inside the chain has transferred a decrease being a rifle at any p