Aero M4E1-E Complete Upper, 13.9" 5.56 CMV Mid Barrel, EM12.7 - FDE Out of stock. Check back later... $680.00 MSRP Price: $609.99 Notify me when this item is back in stock (log in required) Description Details Reviews Shipping info UPC: 840014619962Manufacturer: Aero PrecisionModel: APAR600284M99Category: PartsOtherUpper receiverStock: 0Unit/Measure: EA This item may be shipped directly to your home address, unless you live in a restricted state.