DealIncludes: Aero Precision M4E1 Lower Receiver in Magpul FDE Cerakote Trinity Force Surge 6 Position Carbine Stock, Mil-Spec Lower parts kit Mil-Spec Carbine Receiver Extension, Carbine buffer and spring. These parts come completely assembled, inspected and ready to go. from Ground Zero Precision (Product aero-m4e1-fde-surge-lower) |