16" 1x9 Nitrided LW Stripped Barrel.
Starting from 4140 steel alloy, the barrel is 6 groove button rifling with a 1-7 right-hand twist per military specifications. This process ensures a consistent and uniform bore. The chamber and bore is then nitride coated inside and out.
Chambered in 5.56x45mm NATO
Includes barrel extension with M4 feed ramps
Length: 16”
OD at the gas journal is .625
Barrel weighs 1lb 8oz
Muzzle features 1/2-28 threads for attachment of a standard A2 flash hider, or the muzzle device of your choice. This particular barrel features a lightweight profile and a Carbine length gas system.