Shop › LUTH AR 9MM CARBINE BUFFER ASSEMBLY LUTH AR 9MM CARBINE BUFFER ASSEMBLY $51.65 Luth-AR 9MM Carbine Buffer Assembly, Mil-Spec Dia, Black 9MM-M-BAP Quantity: Add To Cart Added! Luth-AR 9MM Carbine Buffer Assembly, Mil-Spec Dia, Black 9MM-M-BAP