GC_UPC Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIIIS URG, 5.56x45mm NATO, 20.5 inch, 11.5 inch Barrel, Government Profile, Carbine Length, 1-7 Twist, 1/2x28 Thread, M-LOK Handguard, Flash Suppressor, Salt Bath Nitride, FDE, 23-191-02397-011 $1,412.00 2319102397011 show more like this Dvor GC_UPC Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIIIS URG, 5.56x45mm NATO, 20.5 inch, 11.5 inch Barrel, Government Profile, Carbine Length, 1-7 Twist, 1/2x28 Thread, M-LOK Handguard, Flash Suppressor, Salt Bath Nitride, FDE, 23-191-02397-011 $1,412.00 2319102397011 show more like this Free Shipping on most orders over $49 Optics Planet