Sons of Liberty Gun Works factory OEM Low Profile Gas Blocks are designed for perfect compatibility with any handguard on the market. Whether you're building with a .750 or .875 diameter gas journal, these Mil-Spec gas blocks eliminate guesswork. Machined from durable 4140 steel and treated with a corrosion-resistant black nitride finish, each block includes knurled head set screws for a secure fit on dimpled AR barrels. Built to deliver long-lasting performance, these gas blocks are ideal for your next AR-15 or AR-308 build.
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