Luth-AR’s 6-Position Mil-Spec Carbine Buffer Tube is constructed out of 6061-T6 aluminum and features a hardcoat anodized black finish. It is compatible with most collapsible buttstocks for the AR-15 that use a mil-spec diameter receiver extension tube.
Luth-AR Mil-Spec Buffer Tube, Buffer Tube, Fits AR-15, Mil-Spec Dia, Black BS-15M
