THE 5-SECOND TRICK FOR COLT 6933 FOR SALE

 Actually, I wouldn't shoot just one.  Time to maneuver on to a new rifle.  Get an LMT or HK if you prefer military services design and style pistons.    Colt has no real interest in helping you out.  They abandoned that undertaking prior to their final bankruptcy.You could email the internet site owner to let them know you have been blocked.