LBE Barrel, 556NATO, 16", Black Nitride Finish, 1:7 Twist, Mid Length Gas System, Fits .750 Gas Blocks ARBARSCN-16-7 Out of stock. Check back later... $159.99 MSRP Price: $155.36 Notify me when this item is back in stock (log in required) Description Details Reviews Shipping info LBE Unlimited AR barrel chambered in 556 NATO. 4150V steel 1/7 twist Mid length gas system Fits .750 gas blocks Nitride finish UPC: 784682014745Manufacturer: LBE UnlimitedModel: ARBARSCN-16-7Caliber: 5.56x45mm NATOCategory: PartsOtherBarrelsStock: 0Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.