Optimize your AR-15's functionality with the Guntec USA R-TUBE-B Rifle Length Gas Tube, crafted for performance and longevity. Made from robust 304 stainless steel, this tube showcases a striking black nitride finish, ensuring superior corrosion resistance alongside aesthetic appeal. At 15.25 inches long and weighing a minimal 0.9 oz, it guarantees seamless gas flow for enhanced shooting accuracy. US Made Durable 304 Stainless Steel Material Rifle Length for Improved Functionality Black Nitride Finish for Enhanced Durability Lightweight at 0.9 oz Elevate your firearm's performance with Guntec USA's reliable AR-15 Rifle Length Gas Tube.