Product Description
This 20" 22 ARC barrel is machined from 416 Stainless Steel with a QPQ finish. Our Premium Black Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension.Specifications:Length: 20"Material: Hardened 416R Stainless SteelProfile: DMRFinish: QPQ Corrosion ResistantTwist Rate: 1/7"Gas System Length: Rifle +1Gas Block Journal: .750"Muzzle: 1/2x28 ThreadedWeight: 46.2 oz