Ballistic Advantage BABL556003M Modern Series DRP Profile 5.56x45mm NATO Threaded Black QPQ Chrome Moly Vanadium, Fits AR-15
This 5.56 chambered 8" Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension.