Brand new, Colt M4 barrel marked "C MP 5.56 NATO 1/7". M4 barrel extension with feedramps and non-F marked FSB. FSB is bare without sling loop or sight. Also comes with A2 FH and crush washer.
Pictures are available on request however it looks like any other Colt M4 barrel out there brand new without any wear.
I accept Paypal (+3.4%) and Postal Money orders. If you have any questions please email me directly at Plutov@aol.com or IM me via the sight. I have done business on the board before and have an EE rating of 11 last I checked. Thanks for looking.