Holosun HS510C Red Dot Riser

Manufactured by Holosun
Manufactured by Holosun
7 Reviews

Out of Stock

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Holosun Technologies is committed to creating innovative optic, laser/IR technologies for a broad range of shooting, hunting, law enforcement, and military needs. Using quality manufacturing standards, they provide military grade optics without the military grade price.

The 510C Riser raises the height of the Holosun 510C Reflex Circle Dot Sight (sold separately) to lower 1/3 Cowitness height.

  • Places 510C reflex sight height to 1.63"
  • Mounting hardware included
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FinishHardcoat Anodized
Mount CompatibilityHolosun 510C
Mount Height1.63 in.
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 www.P65Warnings.ca.gov.

Ratings & Reviews

7 reviews

  • 4 stars
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Right height

by -

I found the 510 sight to be a bit too low. The riser was very easy to install and fits like a glove. You would never know the sight was raised up.

Exactly as advertised

by -

Moves the 510C from absolute to 1/3 cowitness. Does it well!

Lower 1/3rd

by -

This will put you just above the A2 front post on Carbine, I don’t like co-witness I prefer above it and it’s a clearer shot and less clutter when aiming down site, oh PA is best in class when comes to shipping

Works great

by -

Nice product. Raised to perfect height.

Finally and worth the wait.

by -

Perfect fit. Raised to lower 1/3 which I prefer especially with my fsp AR.


by -

Fit perfectly!

Worked Great

by -

Purchased this riser for the Holosun 510C. Without it, the RDS has absolute co-witness and I would prefer 1/3 co-witness. This riser achieves just that. Easily installed. Remove the bottom place on the sight, install this plate, then reinstall the clamping plate to the sight and then the whole unit to the Picatinny rail on the AR.