Colt M4 Carbine Upper Assembly, 16" Pencil BBL, w/ Bolt & Charging Handle, Mbus Rear Sight, 5.56X45 NATO *NEW*

Colt M4 Carbine Upper Assembly, 16" chrome lined 1/7 twist "Pencil" Barrel, with charging handle and bolt carrier assembly, Mbus flip up rear sight, 5.56X45 NATO *NEW*

Sold Individually.

Get one of these high quality upper assemblies for your build!
Colt manufactured flat top upper receiver with "pencil" profile barrel.
Includes standard oval type handguards, New Colt bolt and chrome lined carrier assembly.
Receiver marked with Square forge marking, M4 feed ramp.
Chrome lined Barrel is marked C MP 5.56 NATO 1/7.
Includes Magpul MBUS flip-up rear sight.
Packed in factory box (pictured)
This upper appears to have been tested at factory, with light wear on the bolt carrier assembly and upper receiver.

This Upper Assembly includes:
- Colt manufactured M4 type flat top upper, case deflector and forward assist assembly.
- New Colt bolt and chrome lined carrier assembly.
- Magpul MBUS flip up rear sight.
- A2 style birdcage flash hider.
- 1/2x28 muzzle threading.
- Colt manufactured "pencil" style barrel, 5.56 NATO with M4 feed ramps and 1/7 twist rate.
- 16" barrel with A2 type birdcage flash hider, and chrome lined bore.
- Standard M4 style oval handguards. 

Parts must be inspected and tested by a qualified and competent gunsmith or armorer before use in a firearm.
Not all firearm parts are interchangeable; use of new parts without proper knowledge could cause a firearm to malfunction
and cause property damage, injury or death.

Colt Part #: AR6720CK