Armaspec Gas Tube Features The Armaspec Gas Tube is machined from stainless steel a material choice that resists corrosion and carbon buildup better than standard phosphated steel tubes found on many factory AR rifles. Built specifically to pistol length gas system specifications at 6.70 inches this tube is engineered for proper gas port timing and consistent cycling in a pistol length AR15 or AR10 build. Reliable gas tube function is critical to the overall reliability of a gas-operated rifle and a precisely made tube like this one helps ensure the bolt carrier group cycles correctly shot after shot. Manufactured entirely in the USA the tube reflects Armaspec s commitment to domestic production and quality control. Installation is made simple with the included roll pin allowing AR15 and AR10 owners to swap out a worn bent or damaged gas tube without unnecessary hassle. Because gas tubes see significant heat and pressure cycling choosing a durable stainless steel replacement can extend the service life of the component significantly compared to a standard tube. This gas tube is a practical upgrade for pistol length AR builds SBRs and AR pistols where reliable function in a compact gas system is especially important. The Armaspec Gas Tube gives AR15/10 owners a dependable American-made replacement part for their build. Armaspec Gas Tube Specifications Manufacturer: Armaspec Model: Gas Tube Compatible Hosts: AR15 / AR10 Material: Stainless Steel Barrel Type: Pistol Length Length: 6.70 Includes: Roll Pin Available At: GrabAGun