Colt M4 LE6933EPR Upper, 11.5" 1/7 CL BBL, Bolt & Carrier w/ Charging Handle, CMR HG, 5.56X45 NATO *NEW in Box B-Model*

Colt M4 LE6933EPR-CK Upper, 11.5" long 1 in 7 twist chrome lined barrel, Bolt & Carrier w/ Charging Handle, Centurion Arms CMR HG, 5.56X45 NATO, *NEW in BOX* B-Model

Sold Individually.

Get one of these high quality upper assemblies for your build!
Colt manufactured M4 Gov't profile 11.5" barrel, chrome lined with 1/7 twist rate.
Includes 10.5" Centurion Arms free float MLOK handguard w/ QD mount sockets.
Colt factory bolt and carrier assembly with charging handle.
Receiver marked with Keyhole forge marking.
Chrome lined M4 profile barrel is marked 13629 MP 5.56 NATO 1/7.
1 in 7" Twist Rifling is capable of stabilizing light to medium weight projectiles of up to about 77 grain.
Packed in factory box (pictured)

This Upper Assembly includes:
- Colt manufactured M4 type flat top upper, case deflector and forward assist assembly.
- A2 style birdcage flash hider, 1/2x28 muzzle threading.
- Colt manufactured M4 profile barrel, 5.56 NATO with M4 feed ramps and 1 in 7 twist rate.
- Low profile gas block.
- Centurion Arms CMR handguard with MLOK bottom and sides, picatinny upper rail and QD mount sockets.

NOTE: Prior to installing this length of barrel into a rifle a NFA Form 1 must be completed and returned approved.
A 11.5 Inch length barrel installed into a shoulder fired firearm is a "Short Barreled Rifle" under the NFA. 

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 #: LE6933EPR-CK B-Model