Low profile steel gas block with a .750" gas journal. 4140 gun quality steel with a Nitride finish. Dual set screws secure gas block to barrel. Honed interior allows for smooth installation. Does not include roll pin.

Product Code: 078101158

For more information visit: https://www.brownells.com/gun-parts/rifle-parts/rifle-gas-system-parts/ar-15--gas-block-nitride/

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