The much anticipated S&W 1911 Rear Sight is now in stock for immediate delivery! This rear sight is a direct replacement for the factory rear sight on all SW1911 fixed sight models as well as the new E Series 1911s. Older fixed sight Third Gen S&W Autos such as the 3913, 4506, etc. will also accept this sight. The sight is the same height as the factory rear sight, and will duplicate the existing point of impact as your current sight. The sight features a .140" wide x .125" deep U notch, and is easily user installable. Includes set screw and wrench. Replacement front sights are not currently available, but we do have them planned for 2012.