P&S Product/KAC M4 RAS
Top half is brand new P&S products for an M4 Carbine length hand guard. P&S Products is an alternate contractor to the military for KAC.
Bottom rail is a slightly used KAC. $60 shipped priority mail USPS m.o. only or discrete PP add 4%.
Will throw in a set of KAC rail covers for a total price of $70 shipped.