HK MR556-A 1 Rifle - Fixed Stock 5.56mm 16.5 Inch Barrel Troy Microsights Black 10 Round Out of stock. Check back later... $3,399.00 MSRP Price: $2,974.00 Notify me when this item is back in stock (log in required) Description Details Reviews Shipping info UPC: 642230253773Manufacturer: Heckler and KochModel: MR556FBA1Caliber: 5.56x45mm NATOCategory: Long gunRifleSemi-autoGunsStock: 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.