APAR600001C View cart “Aero Precision M4E1 AR-15 Multi-Cal Stripped Lower Receiver, Black” has been added to your cart. Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sale! IN STOCKAero Precision M4E1 AR-15 Multi-Cal Stripped Lower Receiver, Black $116.09 Original price was: $116.09.$104.48Current price is: $104.48. Add to cart