Aero M4E1-E Complete Upper, 16" .223 Wylde SS QPQ Mid-Length Barrel, EM15 - FDE Out of stock. Check back later... $715.00 MSRP Price: $644.99 Notify me when this item is back in stock (log in required) Description Details Reviews Shipping info UPC: 815421029109Manufacturer: Aero PrecisionModel: APAR600252M72Category: PartsOtherUpper receiverStock: 0Unit/Measure: EA This item may be shipped directly to your home address, unless you live in a restricted state.