Holosun HS403B 20mm Red Dot Sight

Holosun HS403B Micro Red Dot Sight

The Holosun HS403B is a 20 mm micro red dot sight designed for rifles and carbines. It projects a 2 MOA red dot from Holosun’s 650 nm Super LED, and Shake Awake motion sensing switches the sight off when it is left still and back on as soon as it moves, giving up to 50,000 hours of run time on a single CR2032 cell.

• 2 MOA red dot reticle, parallax-free with unlimited eye relief
• 12 brightness settings: 10 daylight and 2 night vision compatible
• Shake Awake motion-sensing power management
• Up to 50,000 hours battery life (setting 6) on a CR2032
• Tray-type battery compartment for battery changes
• Multi-coated lens
• 6061-T6 aluminium housing with MAO surface finish, IP67 rated

Supplied with both a lower 1/3 co-witness mount and a low-profile mount for Picatinny rails.

Specifications:

• Reticle: 2 MOA red dot
• Light wavelength: 650 nm
• Magnification: 1x
• Window size: 20 mm diameter
• Battery: CR2032
• Battery life: up to 50,000 hours (setting 6)
• Brightness settings: 10 daylight + 2 night vision
• Adjustment per click: 0.5 MOA
• Windage and elevation travel: ±50 MOA
• Dimensions: 62 × 36 × 41 mm (2.45 × 1.43 × 1.6 in)
• Weight: 80 g (2.82 oz)
• Housing: 6061-T6 aluminium, MAO finish
• Waterproofing: IP67
• Vibration rating: 1000 G
• Operating temperature: -30 °C to +60 °C