Enhance your AR-15 performance with the Tiger Rock Inc. GTRBGB# .750 Low Profile Micro Gas Block and Silver Rifle Length Gas Tube. Made in the U.S.A., this assembly ensures superior heat resistance and reliable gas flow. Crafted from durable materials, the low profile micro gas block fits seamlessly under most quad rail systems, while the stainless steel gas tube provides optimal operation. Installation is hassle-free with included components. Mil-Spec dimensions for reliable performance .750 diameter compatibility for standard barrels Hardened Steel construction for durability Non-reflective, Matte Black finish Includes roll pin, set screws, and allen wrench Gas tube length: 15.125 inches Strict Mil-Spec gas tube dimensions Upgrade your firearm's efficiency with this reliable, high-quality assembly.