Anderson Lower receiver, Palmetto State Complete upper with Black Furnitire.  This awesome carbine length rifle is brand new, and features a front A-style sight, an adjustable stock, 1:7 twist 16" barrel, chambered in 5.56 Nato.  
Purchase includes one 30 round Magpul magazine, cable lock, and the Rear Carry Handle/iron sight as shown in the photos.

$597.37 + tax = $635 out the door!