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Yankee Hill Machine Company Low Pro Gas Block.750-inch Screw



The YHM gas block replaces your existing front sight to provide a simple, low profile design that can be used to mount a rifle length forearm to a carbine length barrel. It is mounted by the use of two set screws. It is manufactured from high quality steel, finished with a mil. spec. phosphate coating. It is 0.95" in length and has a bore diameter of .75".

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