Yankee Hill Low Profile Gas Block Clamp Screw .750" Black Phosphate Steel 0.95" 9384

This 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 clamping screws. - Manufactured from high quality steel finished with a mil. spec. phosphate coating. - Length: 0.95 - Bore diameter of .750 inches.