Adjustable stainless steel gas block, Comes with the allen wrench and screws required.
2 sets screws tighten the block to the rail
the screw on the side is unscrewed to increase gas flow and tightened to reduce gas flow, once you have set your gas to the required flow use the set screw located through the front of the gas block to tighten against the adjustment screw and fix it in place.
21 in stock
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