Product Description
This M4 Barreled Upper Assembly is complete and ready for you to add your choice of Optics or Rear Sights. The highly accurate 14.5” M4A1 heavy profile barrel is chrome lined and machined from 4150 Chrome Moly Vanadium steel - rifled 1 x 7 Right Hand twist. An Extended A2 Flash Suppressor and standard A2 F-Marked Front Sight are fitted. The machined aluminum flat top Upper Receiver is complete with Bolt Carrier Assembly (if selected), Charging Handle (if selected), Forward Assist, and Ejection Port Cover. This 14.5" barreled upper will have a pinned and welded extended A2 flash hider to make it 16".
The M4 Rail Interface System (RIS) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD program. It allows the individual operator to free-float the M203 grenade launcher without additional parts. These may be P&S or KAC due to availability at time of order.
