This AR-15 Barrel is an 10.5" contour barrel made out of 4150 steel with a black nitride finish, a 1:8 twist rate and a pistol gas system. The barrel is chambered in 6.5 Grendel Type II and made machined with M4 feed ramps in the barrel extension.
Finished Barrels go through a 100% Inspection Process.
Inspections Equipment includes CMMs and Air Gauges for the Bores.
WARNING: This product can expose you to chemicals, such as lead and other petroleum products, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to the California P65 Warning site.