The Original, compact, lightweight, streamlined sight, setting the standard that others still try to imitate. Only 128mm (5.1 inches) long and weighs just 110g (3.9 oz). Built with a 25mm (1 inch) diameter tube. 4 MOA dot size. Click adjustable brightness control. Available in Black Matte or Silver Satin Finish. This sight comes complete with a battery, rubber eyepiece, polarizing filter, tube extension, mounting rings and hex wrench.