Requested by many handgun hunters for its weight and durability, the Ultradot Gen 2 is now available in a 30mm tube size. This provides a larger field of view and more light. Only 133mm (5.2 inches) long and weighs just 130g (4.6 oz). 2 MOA dot size. Click adjustable brightness control. Available in Black Matte or Silver Satin Finish. This sight comes complete with a battery, polarizing filter, tube extension, mounting rings and hex wrench.