5.56 M4 Barrel (barrel only), Carbine Length, 1:9 Twist, Chrome Lined|
This 16" Barrel is ready to install on any .223 or 5.56 upper receiver. The barrel features a 5.56 NATO chamber for both commercial and military ammunition.
The 1/9 twist is perfect for stabilizing light weight projectiles. It is made from 4140 steel and is chrome lined and manganese phosphate finished. The barrel has a government profile which includes an M203 cut for reduced weight and maximum utility. The Barrel extension is pre installed and headspaced from the factory.
Caliber: 5.56 NATO | .223
Diameter at the gas port: .750"
Barrel Threading: 1/2x28
Barrel Profile: Government Profile
Barrel Material: 4140 Chrome Moly Vanadium
Twist Rate: 1/9
Bore & Barrel Lining: Mil-Spec Chrome Lined
Barrel Coating: Manganese Phosphate
Gas System: Carbine Length Direct Impingement