GC_UPC Daniel Defense Upper Receiver with Flash Hider Assembly M4A1 RIII URG, 5.56x45mm NATO, 25 inch, 14.5 inch Barrel, M4 Profile, Mid Length, 1-7 Twist, 1/2x28 Thread, M-LOK Handguard, Flash Suppressor, Salt Bath Nitride, FDE, 23-004-01097-011 $1,324.37 2300401097011 show more like this Free Shipping on most orders over $49 Optics Planet