Product Description AR-15/308 6-POSITION MIL-SPEC CARBINE BUFFER TUBE AR-15/308 6-POSITION MIL-SPEC CARBINE BUFFER TUBE at Shooting Surplus Browse all Shooting Surplus deals $21.37 In Stock at Shooting Surplus Price verified 1d ago Buy Now at Shooting Surplus Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Luth-Ar MPN BS-15M Gun Parts Luth-Ar