This is a BRAND NEW in the box still in wrap and in grease ALL COLT PARTS flat top A3 upper with detacheable carry handle/A2 sights. Upper is marked M4 and has stepped down barrel, large M4 hand gaurds, side sling mount, bayo lug, and all other standard M4 goodies. Does not come with bolt or carrier but does have charging handle. Price is 750 plus 20 shipping and insurance. If your local bay area you can pick it up.