HOLOSUN Red dot w/circle dot2 MOA &65 MOA Circle

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

Includes:

- Low mount and 1/3 Co-witness mount

Specifications:

- Reticle: 2 MOAdDot & 65 MOA Circle
- Parallax: Free
- Battery: CR2032
- Battery Life: 20000 Hours Using Circle Dot at Setting 6 50000 Hours Using Dot at Setting 6
- Brightness Setting: 10DL and 2NV Compatible
- Housing Material: Aluminum
- Housing Finish: MAO Finish
- Housing Color: Black
- Waterproof: 1m
- Dimensions: 66mm x 64mm x 37mm
- Weight: 138g