DRD Tactical M4 Upper Assembly 14.5"
DRD M4 Upper Assembly 14.5" 5.56 NATO AR-15 Barrel/ Carbine Length Gas System
Picatinny Rail at 12 and 6 o'clock
Uses DRD Tactical Barrel Nut, Gas Block and Gas Tube. Barrel Nut is bolted on and is not a takedown version.
1/2x28 muzzle threads
A2 Flash Hider
Does not include BCG or Charging Handle