Heavy duty ghost ring sight naturally centers for fast target acquisition during tactical ops. Front sight features a blade with white dot and solid steel side guards for maximum protection. Ghost ring is fully adjustable for windage and elevation using clearly marked adjustment screws that hold tight under heavy recoil. Front sight is adjustable for elevation with included tool. Ghost ring sights are made of aluminum to minimize weight. Ghost Ring Sight w/Rail is a one-piece unit machined from aluminum; includes ghost ring sight with integral Picatinny rail for mounting scopes and red dot sights. All models designed for non-ribbed barrels and include mounting hardware. Mfg: Vang Comp Systems SPECS: Fits Remington 870/1100/11-87 shotguns with non-ribbed barrels. Front sight requires soldering with Silvaloy 355 (not included). Ghost ring models require drilling and tapping receiver for 8-40 tpi screws. Includes mounting hardware and instructions. Front Sight - Steel, in-the-white, .110&rd