This 5.56 chambered 10.3 inch Performance Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish. Ballistic Advantage performance series barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension.
Specifications:
Length: 10.3"
Material: 4150 Chrome Moly Vanadium
Profile: Hanson
Finish: QPQ Corrosion Resistant
Twist Rate: 1:7 inches
Gas System Length: Carbine
Gas Block Journal: 1.03" Gas Block Seat for .750" Low Profile Gas Blocks Only