This came from a 6601 Colt Sporter HBAR. It has the flash suppressor, A2 sights bolt, bolt carrier, charging handle. I was original owner and it is the complete upper from the gun. I have shot about 200 rounds. I would say it is over 98%. I provide 3 day free inspection and will refund 100% less actual shipping cost, if not satisfied. Price is $425 plus shipping. Also available for another $25 is a HBAR front post with bayonet lug.