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Holosun HS403B Red Dot Sight
Holosun HS403B Red Dot Sight  Holosun HS403B Red Dot Sight   

The HS403B is a 20mm micro optical sight designed for rifle and carbine applications. Features include 12 brightness settings, Holosun’s Super LED with up to 100k hours battery life, and 2 MOA Dot.

The Holosun Paralow Red Dot Sight, 2 MOA Dot, Parallax-Free, Battery Tray, HS403B Color: Black, Finish: Micro Arc, Fabric/Material: CNC Aluminum, Magnification: 1, Objective Lens Diameter: 20, Reticle: 2 MOA Dot, Illumination Type: LED, Illumination Color: Red, Eye Relief: Unlimited, Adjustment Click Value: 0.5, Lens Material: Glass, Optical Coating: Multi-Layer Reflecting, Attachment/Mount Type: 1/3 Co-Witness Mount, Low Profile, Quick Release, Battery Type: CR2032, Battery Life: Up to 5 years, Operating Temperature: 22 - 140, Water Resistance Level: Waterproof, Water Resistant Mark: 1, Length: 63, Width: 30, Height: 58, Weight: 124, Included Accessories: 1/3 Co-witness Mount, Low Mount, Package Type: Box, Magnification Type: Fixed, Brightness Index: 2NV / 10DL, Tube Diameter: 22, W/E Travel at 100 Yds: 50.


  • Designed for day and night use
  • Advanced LED technology allows for up to 50,000 of operation
  • 2 MOA dot size
  • Parallax-free with unlimited eye relief
  • Unaffected by extreme weather conditions
  • Rugged and reliable aluminum construction
  • All lenses have multi-layer coatings
  • Improved motion-activated "Shake Awake Technology"
  • Multiple brightness settings
  • Durable PEO/MAO finish
  • Package Content 
  •  Holosun Paralow Red Dot Sight, 2 MOA Dot, Parallax-Free
  • Lower 1/3 Co-witness Mount
  • Low Profile Mount
  • T10 L Key
  • Rubber Cover
  • User Manual
  • CR2032 Battery
  • Lens Cloth

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Our Price £179.99
Ex. VAT £149.99

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