LBE Unlimited AR-15 Gas Tube Features The LBE Unlimited mid-length gas tube is machined from 304 stainless steel seamless tubing a corrosion-resistant material well suited to the high heat and pressure cycling a gas tube experiences during firing. The Melonite finish adds a further layer of surface hardness and corrosion resistance helping the tube resist carbon fouling and wear over thousands of rounds. Sized specifically for mid-length gas systems this tube times gas delivery correctly to cycle the bolt carrier group reliably in that configuration. Unlike some aftermarket tubes this one includes the roll pin needed to secure it to the gas block so builders do not need to source that small part separately. LBE Unlimited designs and manufactures its AR-15 components in the United States covering everything from upper receivers and bolt carrier groups to barrels grips gas tubes buffer tubes and springs. That domestic manufacturing focus is paired with rigorous quality control giving builders confidence that each part will perform as expected. A properly fitted and finished gas tube like this one is a small investment relative to the downtime and troubleshooting caused by a damaged or poorly made tube. For builders assembling or repairing a mid-length AR-15 gas system the LBE Unlimited gas tube is available for sale at GrabAGun. LBE Unlimited AR-15 Gas Tube Specifications Manufacturer: LBE Unlimited Model: Gas Tube Type: Gas Tube Color: Black Material: Stainless Steel Finish: Melonite Size: Mid-Length Available At: GrabAGun