Shop › LUTH AR 223 CARB BFR TUBE ASSY MIL LUTH AR 223 CARB BFR TUBE ASSY MIL $47.89 Luth-AR Mil-Spec Dia Carbine Buffer Tube Complete Assembly Fits AR-15 Rifles, with Buffer, Buffer Tube, & Spring, Black 223-M-BAP Quantity: Add To Cart Added! Luth-AR Mil-Spec Dia Carbine Buffer Tube Complete Assembly Fits AR-15 Rifles, with Buffer, Buffer Tube, & Spring, Black 223-M-BAP