Quick view Luth-AR Luth Ar 223/308 A2 Rifle Buffer Tube $30.07 Luth-ARs A2 Rifle Buffer Tube is constructed out of 6061-T6 Aluminum and features a hardcoat anodized black finish. It works with both 223/5.56 AR-15 platforms and 308/7.62 AR-10 platforms and is compatible with an A2 fixed buttstock.Features :Rifle... Compare Add to Cart