Ballistic Advantage

This 16" 22 ARC barrel is machined from 416 Stainless Steel with a QPQ finish. Their Premium Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension. Features : - "Length - 18";"Material - Hardened 416R Stainless Steel" - Profile - SPR - Finish - QPQ Corrosion Resistant - "Twist Rate - 1:7";"Gas System Length - Rifle" - "Gas Block Journal - .750";"Muzzle - 1/2x28 Threaded"