The HE403B-GR is a 20mm micro optical sight designed for rifle and carbine applications. Features include 12 brightness settings, Holosun’s Green Super LED with up to 50k hours battery life, and 2 MOA Dot.

In the Box

•  Lower 1/3 Cowitness Mount

•  Low Profile Mount

•  T10 L Key

•  Rubber Cover

•  User Manual

•  CR2032 Battery
•  Lens Cloth

OPTICAL DATA

• Reticle: 2 MOA Dot
• Light Wavelength: 540nm
• Reticle Color: Green
• Parallax Free: Yes
• Unlimited Eye Relief: Yes
• Magnification: 1x
• Multi-Coatings: Yes

ELECTRONIC DATA

• Power Source: Battery
• Battery Type: CR2032
• Battery Life (Hours): 50000
• Brightness Setting: 10 DL&2 NV

PHYSICAL DATA

• Window Size: 20mm Diameter
• Dimension (in): 2.45×1.43×1.6
• Weight (oz): 2.82

MECHANICAL DATA

• Housing Material: 6061 T6 Aluminum
• Surface Finish: MAO
• Adjustment per Click: 0.5 MOA
• W&E Travel Range: ±50 MOA

ENVIRONMENT DATA

• Storage Temperature: -40℃~70℃
• Working Temperature: -30℃~60℃
• Submersion: IP67
• Vibration: 1000G