Sightmark's exciting Mini Shot M-Spec M3 Solar is a dynamic combination of engineering"" durability and industry-informed efficiency. Ideal for short- to medium-range engagements"" the M3 Solar uses a 3 MOA reticle and a red illuminated laser to acquire targets with speed and precision. With its solar panel"" automatic brightness adjustment and extra-long 20""000+ battery life"" this is the most convenient"" long-lasting and practical reflex sight in the shooting industry today. The M3 mounts on Weaver and Picatinny rails"" and it fits pistols with the RMS-C Footprint. Made from aluminum and with a matte-black finish"" the M3 Solar is fully IP67 waterproof and shockproof for drops up to 3ft. Able to operate in temperatures ranging from -22F to 122F"" the M3 Solar is one seriously tough optic! When the time comes to acquire your targets with rapidity and accuracy-with a hardy"" multi-power option optic-the M3 Solar is available to help you Make Your Mark.