The HS503BU is a micro red dot optic equipped with a 65 MOA circle dot reticle with the option of switching to a 2 MOA dot only. The “B” signifies that the battery is in an internal tray accessed through the side of the optic. The “U” signifies a housing design that shrouds the windage and elevation turrets on two sides. Employing LED technology, the life-time for one CR2032 battery can reach 5 years on the 2 MOA dot. Holosun’s “Shake Awake” technology automatically turns the optic on at the slightest movement. When the optic senses no movement, it will go to sleep.
Features:
- Designed for day and night use
- Advanced technology LED allows up to 50,000 hours of operation on one CR2032 battery
- 2 MOA on dot size
- Unlimited field of view
- Parallax-free with unlimited eye relief
- Unaffected by extreme weather conditions
- Durable and reliable construction
- Low mount and 1/3 Co-witness mount included
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