This CMMG 55DA1EE Mid-Length Gas Tube Kit is designed to provide reliable performance for your AR15 mid-length gas system. Crafted from high-quality stainless steel, it ensures durability and resistance to corrosion. Ideal for new builds or repairs, this gas tube kit comes complete with an installation roll pin, making it a convenient choice for gunsmiths and DIY enthusiasts alike. Stainless Steel construction for enhanced longevity Mid-Length design optimizes gas flow in AR15 systems Includes installation roll pin for easy setup Upgrade your AR15 with this essential gas tube kit, ensuring smooth operation and reliability.