The Tiger Rock Inc. GTRGB# .750 Low Profile Micro Gas Block combined with a Sliver Rifle Length Gas Tube is the ultimate accessory for your AR-15. Crafted to meet Mil-Spec standards, this gas block allows for ideal fit under quad rails while delivering exceptional performance. Made from robust materials and finished with a matte black coat, it ensures durability and reliability during operation. Mil-Spec dimensions, .750 diameter Hardened steel construction Non-reflective, matte black finish Includes roll pin, set screws, and allen wrench 15.125-inch stainless steel gas tube Optimized for heat and corrosion resistance Enhance your shooting experience with this expertly assembled gas system.