USED Ruger AR-556 5.56x45mm NATO, 16" Barrel, Fixed Front Sight, 3 Mags, Vertical Grip, Harris Bipod, Drop-In Quad Rail, No Box Out of stock. Check back later... Price: $450.00 Description Details Shipping info Observations -Minor scratches and wear on barrel Manufacturer: RugerModel: AR-556Origin: UsedCaliber: 5.56x45mm NATOCategory: Long gunRifleGunsStock: 0 This item may be shipped to an FFL near you! The item will be held at our location until we have received a valid copy of your dealer's license.