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Holosun sets the standard for high quality optics at affordable prices and the model 403B is one of their most popular designs. The Holosun 403B is a small compact red dot optic. The battery life on these optics is amazing. Employing Holosun’s LED technology, the lifetime for one CR2032 battery can be up to 5 years. This optic features our “Shake Awake” technology that powers the optic on with slight movement of the It may be installed not only on rifles but also on various other firearms such as shotguns, pistols ,air rifles and crossbows. The HS403B is compatible with standard bases and comes complete with battery. Low mount and 1/3 Co-witness mount included
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