One Hundred Concepts HexCap - 403R

Manufactured by One Hundred Concepts
Manufactured by One Hundred Concepts
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The One Hundred Concepts HexCap - 403R is a durable and easy-to-use anti-reflection device (ARD) for the Holosun HS403R red dot sight. It is made of durable polymer and features a hexagonal lattice design that minimizes obstruction and eliminates downrange reflections.


  • Fits Holosun HS403R red dot sights
  • Hexagonal lattice minimizes obstruction
  • Eliminates downrange reflections
  • No-tools-needed attachment
  • Low profile design that doesn’t sacrifice durability
  • Made of durable polymer
  • Black

Installing and removing the HexCap is a simple and requires no tools. All you have to do is snap it onto the front of your red dot sight and you're ready to go. The low profile design of the HexCap doesn't sacrifice durability, making it a great option for shooters who need a reliable ARD that won't interfere with their shooting performance.

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BrandOne Hundred Concepts
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

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