I have four low-mileage (less than 700 rounds) barrels, take-offs from gray Colt 6500 upper receivers. Full chrome 20" barrel and chamber. Each has a bayonet lug and flash suppressor. Complete with gas tube, hand guards, barrel nut, and delta ring: $179.00, delivered. Three Sold, One SPF
I also have the factory full-circle bolt carrier and bolt for one of these barrels ($140.00) and charging handle ($25 if bought with carrier; $30 if bought separately.) Still available
E-mail for pics.
USPS Money Order preferred; paypal add 3%.