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AR-15 MICRO GAS BLOCKS STEEL SET SCREW Sick of that front-sight gas block? Change it out and add more versatility to your AR-15 with the addition of the SLR Rifleworks Micro Gas Block. The SLR Rifleworks Micro Gas Block is made with a low-profile design that allows clearance for most aftermarket handguards offered for the AR-15 platform, giving owners a wide range of versatility and customization options for their rifle. FEATURES
The SLR Rifleworks Micro Gas Block also comes equipped with 0.400-inch spaced set screws to ensure your gas block never moves from its position.