APAR501301C View cart “Aero Precision M4E1 Gen2 AR-15 Multi-Cal Stripped Lower Receiver, OD Green” 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 Gen2 AR-15 Multi-Cal Stripped Lower Receiver, OD Green $108.59 Original price was: $108.59.$97.73Current price is: $97.73. Add to cart