Has the Cerro keyhole marking & T marked upper receiver/ with m4 cuts, 20" stainless full fluted all the way to receiver bbl with target crown. rifle length YHM T marked Diamond FF/ quad rail. w/ YHM end cap, low pro railed gas block,Fwd asst, No bcg , You get what you pay for and then some on this upper, priced to sell. This upper has never been fired and is brand new, 680+15 shipping USPS M/O shipping anywhere in lower 48 USA.