Aero M4E1 Complete Lower Receiver w/ A2 Grip and M4 Stock - FDE Cerakote Out of stock. Check back later... $370.00 MSRP Price: $334.99 Notify me when this item is back in stock (log in required) Description Details Reviews Shipping info UPC: 840014600595Manufacturer: Aero PrecisionModel: APAR600102Caliber: MultiCategory: Long gunLower receiverReceiverGunsStock: 0 This item may be shipped to an FFL near you! The item will be held at our location until we have received a valid copy of your dealer's license.