DDM4 v3 AR-15 Complete Upper Assembly 5.56mm NATO 16 Inch Standard M4 Profile Barrel Black

Mil-Spec with indexing marks and M4 Feed Ramps. Sixteen inch standard M4 profile. Cold hammer forged, Chrome-Moly Vanadium steel, Mil-Spec heavy phosphate coated barrel. 1:7 inch Twist. Mid-length gas system. Daniel Defense Mil-Spec MP tested properly staked gas key bolt carrier group. Daniel Defense Flash Suppressor. Daniel Defense DDM4 9 inch Quad Rail. Daniel Defense Pinned F Marked Front Sight Base. Daniel Defense A1.5 Rear Sight. Daniel Defense A2 Styling Vertical Grip. Made in the USA.