2A Armament 16" 5.56 1:8 Pencil Mid Gas System Barrel

2A Armament 16" 1:8 twist Barrel with a Mid Length gas system, Pencil barrel profile and chambered for 5.56 NATO.

Caliber	5.56 NATO
Barrel Length	16"
Twist Rate	1:8
Gas System	Mid Length
Barrel Profile	Pencil
Inside Finish	Salt Bath Nitride
Outside Finish	Salt Bath Nitride
Material	4150 Steel
Muzzle Thread	1/2x28 TPI (Threads Per Inch)
Diameter At Gas Port	.625"