New Colt Commando Upper with a pinned and welded XM177 flash hider.
Upper is factory built but flash hider installed by a company called ADCO.
Upper is square forged, barrel is cage code. F marked fsb. Never taken the bcg out to look at it.
For pictures and other comms send an email.
800.00 shipped to lower 48 via PayPal friends and family only