Unknown manufacture upper, very good condition. The threads are fine, the discoloration in the picture is some loctite residue. $85 shipped.
Railed gas block for .75 barrel, $20 shipped.
Right side endplate with sling attachments, $10 shipped.
Also standard black A2 grip, new (not shown in pic), $10 shipped.
PayPal OK, money order otherwise.
Thanks for looking,