Elevate your shooting accuracy with the Holosun SCS-320-GR Solar Charging Sight, designed specifically for Sig 320 pistols.This cutting-edge optic integrates seamlessly onto your firearm, leveraging solar energy for a reliable power source while offering enhanced visibility in varying light conditions.Direct Mount AttachmentClosed Emitter DesignInternal Non Removable BatterySlide Serrations Match Serrations on OpticExperience uninterrupted performance with the Holosun SCS-320-GR, the future of firearm optics.