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Manufacturer Part Number: HS503BU
Condition: Factory Sealed - New
HS503BU is a red dot sight that features the circle dot reticle. B signifies that the battery is in an internal tray accessed through the side of the optic. U signifies a housing design that shrouds the windage and elevation turrets on two sides. Employing new LED technology the life time for one CR2032 battery can reach 2 years if left on constantly. However the motion based automatic on and off feature extends the battery life dramatically beyond that for the average shooter. - Features - Automatic on and off based on motion - 2 MOA dot & 65 MOA Circle - Reduced training time and ammunition - Unlimited field of view - Parallax-free with unlimited eye relief - Durable and reliable construction - Low mount and 1/3 Co-witness mount included