Nutnfancy: The Always On, Always Ready Sight That Rocks: Holosun 503C $230
Nutnfancy: SHOT Holosun Sights: 1/3 Cost of Aimpoint, Better Features
The Late Boyscout: Best Micro Red Dot for the Money? Holosun 403g

Torture Test:

Premieroutdoors: Holosun 503 GU Torture Test (1 of 2) Thermal Drift
Premieroutdoors: Indestructible Holosun 503 GU – Brutal Torture Test (2 of 2)
YouTube Reviews (just search YouTube for “holosun”)
Holosun optics continue to gain the attention of sports shooters, reviewers and the online world.  Here are a few examples:


Video links:

      Hoplite Tactical Supplies Holosun 403 red dot tabletop review
  Holosun red dot optic torture test – part 1 – range testing and impact resistance
  Holosun red dot optic torture test – part 2 – submersion, abrasion, freezing
  Holosun Red Dot Optic torture test – part 3 – heat testing
          The Late Boy Scout Holosun Solar Powered Optics: SHOT Show 2015
  Best Micro Red Dot for the Money? Holosun 403g
      The Daily Shooter – Review of HS515C Solar Circle Dot
  Tactical Existence  Holosun PARALOW HS403A Compact Red Dot Sight
    Shield and Sword Academy Holosun Red Dot: First Impressions
  Holosun Red Dot Review & Testing
Holosun Rain Test
  all4shooters Holosun Technologies
  Spectre R&D HOLOSUN PARALOW HS403A Red Dot: Waterproof Test and Swim Test
  ldc1129 Holsun HS403A Reliability Test
Holosun HS403A Waterproof/Freeze Test