Windham Weaponry 16" AR15 Complete M4 MPC Upper Receiver Black
Windham Weaponry MPC Upper 223 Rem 556NATO 16" Black M4 w/Bayonet Lug and A2 Birdcage Chrome Lined AR Rifles A3
This M4 Barreled Upper Assembly is complete and ready for you to add your choice of Optics or Rear Sights. The highly accurate 16" M4 profile barrel is chrome lined and machined from 4150 Chrome Moly Vanadium steel - rifled 1 x 9" Right Hand twist. An A2 Flash Suppressor and standard A2 Front Sight are fitted. The machined aluminum flat top Upper Receiver is complete with Bolt Carrier Assembly, Charging Handle, Forward Assist, and Ejection Port Cover.
Specifications:Caliber: 223 Rem / 556NATO
Barrel Length: 16"
Type of Barrel: M4 w/Bayonet Lug and A2 Birdcage, 1 x 9" Right Hand twist
Chamber: Chrome Lined
Fit: AR Rifles
Manufacturer Part #: UR16M4LHB