Description
This 20” 6MM 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.Length: 20”Material: 416R Stainless SteelProfile: DMRFinish: QPQ Corrosion ResistantGas System: Rifle LengthGas Block Profile: .750Thread: 5/8×24Twist: 1×7Weight: 46.2oz
