Phase 5 Tactical Low Profile Gas Block 0.750 Inch

Gas block replaces your existing front sight to provide a simple, low profile design that can be used to mount a rifle length forearms to a carbine length barrel. Mounted by the use of two clamping screws. Manufactured from high quality steel, finished with a mil-spec phosphate coting. Bore diameter is 0.750 inches. Includes one steel gas block and one stainless steel roll pin. Made in the USA.