Product Description If you are looking for a high quality gas tube, look no more. These are the same gas tubes that Spike's installs on their ST-15 rifles and complete upper receivers. GAS TUBE - MELONITED MID-LENGTH MIL-SPEC 304 STAINLESS STEEL at The Armories Browse all The Armories deals $16.99 In Stock at The Armories Buy Now at The Armories Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Spikes Spikes