Rosco Gas Tube Features The Rosco Manufacturing Gas Tube carries a Black Nitride finish that significantly increases corrosion resistance compared to standard gas tubes helping it withstand heat and combustion byproducts cycle after cycle. The nitride process also improves wear resistance and fatigue strength extending the service life of the part under a rifle s repeated firing cycles. Beyond the functional gains the black finish gives the gas tube a clean cosmetically consistent appearance under the handguard. This mid length gas tube is purpose built to work reliably in mid length gas system AR builds. At just 0.20 pounds the gas tube adds negligible weight to a build while delivering a meaningful durability upgrade over factory equipment. Its compact dimensions allow it to fit cleanly under standard mid length handguards without interference. Builders assembling a new upper or replacing a worn factory gas tube will find this a simple drop in improvement. The Rosco Manufacturing Gas Tube is available for sale at GrabAGun for shooters who want a more durable gas system component. Rosco Gas Tube Specifications Manufacturer: Rosco Model: Gas Tube Type: Mid-Length Gas Tube Finish: Black Nitride Weight: 0.20 lbs Available At: GrabAGun