Sightmark’s Mini Shot M-Spec M3 Solar Red Dot Sight is an ideal choice for close to medium range engagements. It attaches to the host weapon via picatinny/weaver rail, and is compatible with handguns equipped with the RMS-C footprint. The reticle is composed of a 3-MOA dot, perfect for quick instinctive shooting, and utilizes an automatic brightness adjustment to allow the optic to adapt to changing light conditions. Other features of the Mini Shot M-Spec M3 Solar Red Dot Sight is an integrated solar panel to constantly charge the CR1620 battery, giving the sight a 20,000 battery life. Features: Dual power options (solar and CR1620 batteries)3 MOA Dot 20,000+ hours of operating time Automatic brightness adjustment IP67 Waterproof Fully enclosed design Mounts to Weaver and Picatinny rails Fits pistols with RMS-C footprint Maximum Caliber – .45 ACP Sightmark Mini Shot M-Spec M3 Solar (RMS-C Footprint) Reflex Sight SM26050