Colt M4 Carbine Barrel Assembly, 14.5", 1/7 Twist, Chrome Lined w/Barrel Nut & Front Sight, 5.56X45 NATO *NEW in Box*

Colt M4 Carbine Barrel Assembly, 14.5" length, 1/7 twist, with Barrel Nut & Front Sight Gas Block, 1/2x28 muzzle threading, 5.56X45 NATO *NEW in Box*

Sold Individually.

These are great barrel assemblies!
Factory Colt 14.5" barrel assemblies, with front sight block, sling swivel and bayonet lug.
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).

Colt Part #: SP64669
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.