Aero M4E1-T Complete Upper, 14.5" 5.56 Mid Barrel w/Pinned Epsilon SL, RM12.7 - Ano Out of stock. Check back later... $725.00 MSRP Price: $654.99 Notify me when this item is back in stock (log in required) Description Details Reviews Shipping info UPC: 815421028546Manufacturer: Aero PrecisionModel: APAR700704M68Category: PartsOtherUpper receiverStock: 0Unit/Measure: EA This item may be shipped directly to your home address, unless you live in a restricted state.