GC_UPC Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIII URG, 5.56x45mm NATO, 25 inch, 16 inch Barrel, Government Profile, Mid Length, 1-7 Twist, 1/2x28 Thread, M-LOK Handguard, Flash Suppressor, Salt Bath Nitride, BLK, 23-191-20088-006 $1,394.07 2319120088006 show more like this Free Shipping on most orders over $49 Optics Planet