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Holosun Holosun | HS403B Series | Red Dot Sight | Black

Product Code : 760921087428


Mfg Item #: HS403B

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Holosun is well known for being at the forefront of innovative design and durable quality products for any user at an affordable price point, and the HS403B is no exception. This optic is a robust and impressive 2 MOA red dot sight ideal for quick acquisition shooting needs for competition, law enforcement, or defensive use. The optic can be equipped with a low-rise Picatinny mount and a 1/3 co-witness mount and is an excellent option for use on ARs, shotguns, and pistol caliber carbines. Featuring the Holosun "Shake Awake" system and an impressive 50,000 hours of battery life, the HS403B will run as long as you do.

Holosun is committed to creating innovative optic, laser/IR technologies that benefit a broad range of shooting, hunting, law enforcement, and professional needs. Using the quality manufacturing standards demanded by some of the best-known optics brands in the world, with a wide range of affordable options.


  • Manufacturer Number: HS403B
  • 1x Magnification
  • 20mm Objective
  • 2 MOA Red Dot
  • .5 MOA Adjustments
  • 10 Daylight Settings and 2 Night Vision Settings
  • "Shake Awake" Motion Activated Illumination
  • Housing Material: 6061 Aluminum
  • Microarc Oxidation (MAO) Finish on Lens
  • Weight: 4.3 oz
  • Unlimited Eye Relief
  • Parallax Free
  • CR2032 Battery
  • 50,000 Hours of Battery Life
  • Matte Black Finish


  • M1913 Picatinny Low Rise Mount and a 1/3 Co-witness Mount

FinishMatte Black
Model SeriesClassic

Determined at checkout.