This is a mint surefire M73 4 rail handguard. Installs easily. $125 shipped/insured CONUS.
Also have a carry handle for $55 shipped
And some Coyote brown rail covers and ladder covers(3 ea) with a matching Ergo grip and Magpul floorplate. The MagPul replaces the stock floorplate and gives you a grip for the magazine. $75 shipped for all.
May consider trades for uppers or FTF lower deals in Oklahoma.