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

Colt M4 LE6933EPR-CK Special Configuration Upper, 11.5" long 1 in 7 twist chrome lined barrel, Bolt & Carrier w/ Charging Handle, Centurion Arms CMR HG, TROY folding battles sights, 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.
TROY flip up battle sights on front and rear, one QD swivel.
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.
This is a special configuration rifle upper from the Colt factory.
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, 1 Quick Disconnect sling swivel.
- 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