G&P OP Type Red Dot Reflex Sight with 34mm ring mount
This awesome compact auto-brightness red dot sight utilizes the most advanced light sensor technology to provide shooters the maximum tactical advantage of "hands free". No more "on/off" switches. This tubeless design reflex lens aperture provides a wide field of view. Suitable for rapid-firing or shooting of moving targets besides normal shooting. Automatic red dot brightness adjustment offers the integrated control circuit adjusts the brightness of the aiming dot to varying light levels in the surroundings. The brightness sensor on the front side of the sight senses the brightness in target direction. When the target surroundings are dark, the red dot will be dimmer. When target surroundings are bright, the red dot will be brighter. The red dot is firmly factory-adjusted parallax-free to 40 yards. This adjustment ensures the parallax-related aiming errors are minimized over a large distance range. This red dot does not contain a separate ON/OFF switch. When the red dot sight is covered, it is in the power-saving mode (off). When the cover is removed, the red dot is turned on automatically.

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