TruGlo Tru-Tec Micro Red Dot Reticle - Whether riding the slide of an optic ready handgun or outfitting a rifle or shotgun with ultra lightweight accessories, the Tru-Tec Micro is here to help. It incorporates features such as a 3-MOA Red*Dot reticle for fast acquisition, 23mm x 17mm multicoated objective lens, digital push button brightness control and an idle auto off system to save battery life. The red dot scope is CNC-machined from ultra lightweight aircraft grade aluminum and is water, fog and shock resistant. The Tru-Tec Micro also utilizes locking windage and elevation adjustments and includes Picatinny rail, ABS hardshell cover and 3V CR2032 battery.