F Aero Precision Complete Upper Receiver, M4E1-T, SM-15, 5.56x45mm NATO, 16in, Government, Mid Length, 1 in 7, 1/2 x 28, 15in, A2 Flash Hider, Anodized, Kodiak Brown, APAR700392M7 $589.99 APAR700392M7 show more like this Dvor