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Gas Blocks

Faxon Firearms aftermarket gas blocks are designed for the AR-15 and AR-10 firearm platforms chambered in .223 Rem, .300 Blackout, .308 Win, 5.56x45mm, and 7.62x51mm. These low-profile gas blocks are available in .625, .750, and .875-inch diameters. Outfit your next AR rifle or pistol project with high-quality Faxon components and experience reliability in every shot.