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Questions & Answers
What size will do an absolute co witness? Manufacturer Answer

The StrikeFire® II can also be used with certain 30mm rings for lower mounting heights. For mounting height options that can be ordered from Opticsplanet.com, please call 800-426-0048 or email info@vortexoptics.com

by Vortex, Manufacturer, April 20, 2021
Customer Reviews
Helpful Positive Review Great Option for Builders and tinkering by Seth Cormier, Verified Owner, August 18, 2019
I bought these after doing the math and realizing that I can mount my flip up sights underneath my optic by using these and changing out the nobs for QD levers. The absolute co witness did not disappoint, it works well with my front sight and LPVO wh...
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1/1 found this helpful
Helpful Positive Review Extremely Well-Build Absolute Co-Witness May Be for You, But It Wasn't for Me. by Jay, December 18, 2017
I ordered this absolute co-witness because I thought it's what I'd want. It wasn't. If you're reading this to read about fit, finish and quality of build, then I will tell you it's amazing, which is why I rated it as highly as I did. The instructions...
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7/7 found this helpful
Helpful Positive Review right on by Legacy Reviewer, February 8, 2014
The canteliver is straight not canted off to the side as the picture seems to indicate,( to my eye )Moves the sight forward about an inch, and raises it about the same. Just right.Works fine on my flat top AR. Pros: Fit finish function all good. What...
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5/6 found this helpful
Helpful Positive Review Vortex Cantilever 30mm Ring by RJ, Verified Owner, February 17, 2014
Works as advertised and allows for a very fast sight picture at the correct height. Pros: very well made Cons: None
1/2 found this helpful
Helpful Positive Review HIGH QUALITY MOUNT by C. FULLER, Verified Owner, July 20, 2014
I PURCHASED THIS MOUNT, WHEN I ORDERED MY STRIKEFIRE II. IT CAME WITH A CANTILEVER MOUNT, BUT I WANTED AN ABSOLUTE CO-WITNESS MOUNT FOR MY OPTIC, TO WORK WITH MY FLIP UP IRON SIGHTS. MOUNTED PERFECT ONTO MY RUGER SR556C RIFLE AND LOOKS BADASS.
1/1 found this helpful
Most Recent Reviews vortex cantilever 30mm ring by johnchip, Verified Owner, July 17, 2024
I bought the 1 inch vortex cantilever 30mm ring mount along side the strikefire so I could have absolute co-witneas. I mounted it up and it aligns with my backup irons perfectly. Wish Vortex included this version with the Strikefire but now I have a ...
Read More...
Read All 13 Reviews
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Product Info for Vortex Cantilever 30mm Ring for StrikeFire

Install this lightweight yet rugged Vortex Cantilever 30mm Ring for StrikeFire to add some extra rail space for rear back-up iron sights (BUIS) when using the StrikeFire Red Dot in conjunction with the VMX-3T magnifier. These Red Dot Sight Mounts made by Vortex Optics will move your StrikeFire forward about an inch, providing vital rail room to mount iron sights. The Vortex Cantilever 30mm Ring for StrikeFire Red Dot is compatible with most 30mm red dot sights. If you're running out of rail space for accessories, consider upgrading your optical setup with the Vortex Sport Cantilever 30mm Ring.image

Specifications for Vortex Cantilever 30mm Ring for StrikeFire:

Manufacturer: Vortex
Color: Black
Finish: Black Matte
Fabric/Material: Aluminum
Optic Cut: Not Applicable
Weight: 6.7 oz

Features of Vortex Cantilever 30mm Ring for StrikeFire:

  • Provides extra rail room for rear Back Up Iron Sights (BUIS) when using the StrikeFire red dot along with the VMX-3T magnifier.
  • The cantilever ring will move the StrikeFire forward about one inch.
  • Will work with most 30 mm red dot sights.

Package Contents:

  • Vortex Cantilever 30mm Ring for StrikeFire

Vortex Cantilever 30mm Ring for StrikeFire Orderable Models

List of Orderable Models

Vortex Cantilever 30mm Ring, Lower 1/3 Co-Witness, 1in Offset for StrikeFire, Medium, Black, 6.7oz, CM-304 , MPN: CM-304 , UPC: 875874005211 , Code: VX-RMT-CNTLSTK-1-CM-304
Vortex Cantilever 30mm Ring, Absolute Co-Witness, 1in Offset for StrikeFire, Medium, Black, 6.7oz, CM-305 , MPN: CM-305 , UPC: 875874005228 , Code: VX-RMT-CNTLSTK-1-CM-305
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