YHM-9384 .750 Clamp On Low Profile Gas Block AR15
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.