CONSIGNED HK MR556 Upper Barrel Cut Down to 10.5", Reprofiled To Match HK416 Profile (Work by ADCO), Surefire Flash Hider, Geiselle Handguard, Includes HK Buffer + Spring Out of stock. Check back later... Price: $1,400.00 We are unable to acquire or re-stock this product. Description Details Reviews Shipping info UPC: MR556Manufacturer: Heckler and KochModel: MR556Caliber: 5.56x45mm NATOCategory: PartsOtherUpper receiverStock: 0Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.