YHM Flip Front Sight Tower W/ Lug ASSY This Front Sight features standard style front sight guard. They feature all steel construction for superior strength in demanding conditions. The Flip Sight is easily concealed with the push of a button. It flips up and locks in the deployed position. This Sight accepts all standard AR sight posts and hardware (Included). With this setup you get the convenience of a Flip Front Sight with the same weight as a standard AR Sight Tower. This sight's two-piece design allows it to be mounted on firearms with pinned and welded muzzle accessories. It mounts easily and securely with four cap screws using a 7/64-Inch Allen wrench..750 internal diameter
