One Hundred Concepts HexCap


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(13 customer reviews)

*All Holosun 503C inventory is mislabeled as 403C on the HexCap and Packaging*

  • Minimizes downrange reflection.
  • Snaps securely in place.

The HexCap is a ruggedly simple, snap-fit Anti-Reflection Device (ARD) that installs securely in seconds to your red dot sight with no additional hardware. 

We designed the HexCap to be as low profile as possible while maintaining durability for use in the field. Its hexagonal lattice allows you to see through the optic with minimal obstruction while eliminating downrange reflections. 

Anti-Reflection Devices are nothing new, but there simply aren’t good options for many of the red dots on the market today – especially with the rise in popularity of top-mounted and offset red dot sights. Our goal with HexCap is to solve that problem.

Coming Soon:

  • Trijicon RMR
  • Trijicon MRO
  • Aimpoint Acro P-2


Eliminates Reflection

The HexCap completely eliminates any reflection at 33° from the viewing axis and significantly reduces reflections to viewers directly in front of the optic due to its shading affect and light-absorbing surfaces.

Low Profile

We designed the HexCap to be as low profile as possible while maintaining durability for use in the field. This means maximizing your field of view and minimizing snag points while playing nicely with other optics you want to mount it on or near.

Additional information

Weight 2 oz
Dimensions 2 × 2 × 4 in

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13 reviews for One Hundred Concepts HexCap

  1. robertsawyer93 (verified owner)

    Perfect fit and works as advertised

  2. bigbyrd94 (verified owner)

    Great product. Protects the lens and also serves as anti reflection on my piggy backed P2

  3. CS (verified owner)

    Snug fit. Works as intended. Will buy more eventually.

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