A shotgun rear sight which is fully adjustable, through strong hardened click screws, using a coin of any size. Intended for rough service, this sight has a pair of steel “wings” shaped to protect the removable ghost ring. BAR11R easily fits on the most popular combat/personal defence choked shotguns. Supplied with standard **D4 ghost ring (or **D2, **D3, **D5, **D7 on request). Milling, drilling, tapping are necessary to be fitted.