Rock River Arms R3 Competition AR-15 complete upper assembly.  5.56mm cal. Excellent condition.  16" fluted stainless barrel has an excellent bore, black muzzle brake/flash hider.  Has a full-length top rail and wears a Vortex Strike Eagle 5-25x56mm illuminated MRAD scope with range finding reticle and clear optics, Vortex rings.  Near 100% matte black finish on the upper receiver.  RR marked bolt assembly.  GFH 3x3 bolt charging handle.  Black round metal ventilated hand guard is in great shape.  Includes a Magpul bi-pod.  Should be plug and play on your AR lower.  Can ship directly to you.