Product Description Luth-AR factory replacement stainless steel gas tubes. Available in pistol-length, carbine-length, mid-length, and standard rifle-length. Fits standard AR-15 rifles. Mfg: Luth-Ar Ar-15 Gas Tube Stainless Steel - Ar-15 Gas Tube Stainless Steel Pistol at Brownells.com Browse all Brownells.com deals $11.74 In Stock at Brownells.com Buy Now at Brownells.com Secure checkout Easy returns or compare prices Amazon eBay Product Details Category Gas Tubes Brand Luth-Ar Luth-Ar