Colt M4 Barrel Assembly, 14.5", 1/7 Twist, CL w/Barrel Nut & Front Sight Block, 5.56X45 NATO *Excellent / Blemished / In Box*

Colt M4 Carbine Barrel Assembly, 14.5" length, 1 in 7 twist, with Barrel Nut & Front Sight gas block, no front sight post, 1/2x28 muzzle threading, 5.56X45 NATO *Excellent / Blemished / In Box* B-Model

Sold Individually (the barrel pictured is the one you will receive.

A great barrel assembly!
Factory Colt 14.5" barrel assembly, with front sight block, sling swivel and bayonet lug.
The front sight post and detent/spring is not included.
There is some heavy marring / dents at the bayonet lug (as pictured).
Colt magnetic particle inspected barrels, NO gas tube or flash hider, muzzle threaded 1/2x28.
M4 Gov't profile barrel with M4 feed ramps, extension, barrel nut and chrome bore (1 in 7 twist).
This barrel has passed all safety and testing conditions from the factory.

NSN: 1005-01-627-9803

NOTE: Prior to installing this length of barrel onto a rifle a NFA Form 1 must be completed and returned approved.
A 14.5 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 surplus parts without proper knowledge could cause a firearm to malfunction and cause property damage, injury or death.

Colt Part #: SP64669  B-Model