Primary Arms Classic Series 24mm Mini Reflex Sight with Autolive 3 MOA Red Dot Black

Primary Arms Classic Series 24mm Mini Reflex Sight with Autolive 3 MOA Red Dot Black. The Mini Reflex Sight is optimized for full size carry pistols or competition guns as it features a large 24x17mm lens allowing for a quick and easy sight picture all while weighing under an ounce. It utilizes the popular 507c footprint for a wide range of compatibility with milled slides and adapter plates and houses a bottom mounted CR2032 battery offering up to 40k hours of battery life on the medium setting