Colt Heavy Barrel Assembly, HBAR, 11.5", 1/7 Twist, Chrome Lined w/Barrel Nut & Front Sight, 5.56X45 NATO *NEW*

Colt Heavy Barrel Assembly, HBAR 11.5" long, 1 in 7 Twist, Chrome Lined with Barrel Nut & Front Sight gas block, 1/2x28 muzzle threading, 5.56X45 NATO, *NEW*

Sold Individually.

These are great barrel assemblies!
Factory Colt 11.5" HBAR profile (heavy 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.
Heavy profile barrel with M4 feed ramps, extension, barrel nut and chrome bore (1 in 7 twist).

Colt Part #: SP401757

NOTE: Prior to installing this length of barrel onto 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 surplus parts without proper knowledge could cause a firearm to malfunction and cause property damage, injury or death.