The Holosun HS403B

Is a 20mm micro optical sight designed for rifle and carbine applications. The Holosun HS403B Features include 12 brightness settings, Holosun’s Super LED with up to 50K hour battery life, and 2 MOA Dot.   Includes lower 1/3 co-witness and low profile mounts.

Specifications:

•  2 MOA Dot Reticle
• Up to 50,000 Hours Battery Life (Setting 6)
• 12 Brightness Setting: 10 DL & 2 NV Compatible
• Convenient Tray Battery Compartment
• Parallax-free & Unlimited Eye Relief

OPTICAL DATA

• Reticle                                    2 MOA Dot
• Light Wavelength                 650nm
• Reticle Color                         Red
• Parallax Free                        Yes
• Unlimited Eye Relief            Yes
• Magnification                       1x
• Multi-Coatings                     Yes

ELECTRONIC DATA

• Power Source                      Battery
• Battery Type                        CR2032
• Battery Life (Hours)           50 000
• 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

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