Primary Arms 21mm Micro Reflex Sight with AutoLive

The Primary Arms 21mm Micro Reflex Sight with AutoLive technology is a compact yet powerful optic, perfect for concealed carry pistols. Featuring a 3 MOA green dot reticle, this sight ensures rapid target acquisition and clear visibility through its fully multicoated lens. The AutoLive feature conserves battery life by activating the sight with motion and turning it off when still. Compatible with RMSc footprint mounts, it fits a variety of milled slides and adapter plates. With 10 brightness settings, a durable 6061 aluminum housing, and a bottom-mounted CR2032 battery offering up to 40,000 hours of life, this sight is designed for reliability and ease of use.