GC_UPC Daniel Defense Upper Receiver w/Flash Hider Assembly DD4 RIIIS URG, 5.56x45, 20.5in, 11.5in BRRL, Gov Profile, Carbine, 1-7, 1/2x28, MLOK, Flash Suppressor, Salt Bath Nitride, BLK, 2319102397006 $1,412.00 2319102397006 show more like this Dvor GC_UPC Daniel Defense AR-15 DD4 RIII S Upper Receiver Assembly 5.56x45mm 11.5 Barrel - 399163" $1,412.00 23-191-02397-006 show more like this FREE SHIPPNG MidwayUSA GC_UPC Daniel Defense Upper Receiver w/Flash Hider Assembly DD4 RIIIS URG, 5.56x45, 20.5in, 11.5in BRRL, Gov Profile, Carbine, 1-7, 1/2x28, MLOK, Flash Suppressor, Salt Bath Nitride, BLK, 2319102397006 $1,412.00 2319102397006 show more like this Free Shipping on most orders over $49 Optics Planet