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.
YANKEE HILL MACHINE | UPC: 816701013580
