2A Armament Builder Series Steel Low Profile Gas Block - .750
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The low-profile gas block for the AR-15 is a fantastic upgrade brought to you by 2A Armament Builder. This is the recommended option for building a working AR at a great value, that is super affordable, and that will perform expertly in real-world situations. The low-profile gas block is machined from tough steel and has a finish of manganese phosphate. This equals a long life with heavy resistance to corrosion and to wear. The gas block comes included with a screw set that you can use to firmly attach it straight onto the barrel of your AR weapon. The low profile aspect of this gas block means it will fit underneath just about any handguard that is free float. The inside diameter of the block is approx. .750 inches. You can use it on a huge assortment of AR-15 barrels.