Aero M4E1-E Complete Upper, 16" 5.56 Mid Barrel, EM15 - Ano Available to order on-line. Ships in 5-14 days $655.00 MSRP Price: $624.00 Description Details Reviews Shipping info UPC: 815421023305Manufacturer: Aero PrecisionModel: APAR640251M7Category: PartsOtherUpper receiverStock: Ships in 5-14 business days.Unit/Measure: EA This item may be shipped directly to your home address, unless you live in a restricted state.