Posted: 10/14/2008 6:28:56 PM EDT
[Last Edit: 10/21/2008 2:46:35 AM EDT by patriot308]
I have a Colt A2 upper receiver marked with the 4 above the clover leaf. In good condition comes with sights port door and foward assist. It came off of a 6520 Colt rifle. $105.00 shipped emails only.