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.
