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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.