Brand new all RRA fully chrome lined M4 upper. Receiver has been laser engraved with the RAS numbers, chrome lined MP marked RRA M4 preban Government profile barrel, A2 sight tower w/ bayo lug and flash hider, Black CAR hand guards. $335 plus shipping. Add a new RRA enhanced bolt carrier assembly and charging handle for $110. Payment via USPS money order or bidpay only.