Outerwild AR15 5.56NATO Barrel

Outerwild barrels are produced in-house by Outerwild. Using fully automated robotically-driven production line, drill, ream, rifle, contour and assemble our barrels from raw bar stock to the finished product. These barrels are properly stress relieved after rifling, air-gauge tested, and individually checked for optimal headspace. Outerwild quality control system ensures they are dimensionally correct, and bores fall well within their individual tolerance ensuring superior accuracy. Specifications for Outerwild AR15 5.56NATO Barrel: Manufacturer: Outerwild Finish: Nitride Fabric/Material: M4 Nitrided Cartridge: 5.56x45mm NATO Barrel Profile: Government Gas Block Journal Size-Diameter: .750 in Threads per Inch: 1/2×28 Barrel Twist Rate: 1-7 Barrel Material: 4150 Chrome Moly Vanadium Flutes: No Gun Make: AR Platform Gun Model: AR-15 Package Contents: Outerwild AR15 5.56NATO Barrel