The Tiger Rock Inc. GB06-ZBG .750 Low Profile Steel Gas Block is a perfect blend of functionality and striking aesthetics for your AR-15 setup. Designed for seamless compatibility with various quad rail systems, this gas block ensures optimal performance and durability, featuring a clamp-on mechanism that secures firmly to your .750" barrel. Mil-Spec dimensions for reliable durability .750 diameter ideal for AR .750" barrels Clamp-on design prevents any finish damage Hardened steel construction for strength Distinct Cerakote Zombie Green finish Elevate your firearm's performance and style with this essential gas block upgrade.