All parts RRA. M4 front grip. A4 receiver. 16" Heavy barrel. Includes bolt, carrier and charging handle. No carry handle, but it comes with an ARMS #40 BUIS. Bayonet lug and A2 birdcage. Finish is good all around, maybe a few light scratches and brass marks on the receiver. About 1500 rounds through it. $430 shipped. Call Tom @ 425.765.2395, I don't have regular access to a computer right now so that would be the quickest way to reach me. It may take up to a week for me to get back to you if you post or IM me. If I don't answer leave a message with your name and number and I'll call you back as soon as I get it.