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Q&A for UTG Lower 1/3 Co-Witness Picatinny Red Dot Sight Mount — 8 Questions & 6 Answers

Name UTG Lower 1/3 Co-Witness Picatinny Red Dot Sight Mount (4.9)
$35.53 $23.99 Save 32%
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Q
Cory545, member, from CA, United States, asked on January 28, 2023

How much does this mount weigh?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on October 04, 2023

The Leapers UTG Super Slim Picatinny RMR Lower 1/3 Co-Witness Mount MT-RMR13C weighs 1.6oz.

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Q
Ruben, member, from CA, United States, asked on January 31, 2022

Will a Swampfox Kingslayer work with this?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on April 05, 2022

Yes. The Swampfox Kingslayer uses the Trijicon RMR mounting footprint. So the Leapers UTG Super Slim Picatinny RMR Lower 1/3 Co-Witness Mount will fit your optic and provide a lower 1/3 height.

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Q
Mark, guest, from CA, United States, asked on July 22, 2020

Will this work with a Romeo 3Max

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A
Answered by Patrick, Gear Expert, from IL, United States, on November 16, 2021

No, this is not compatible with the Romeo 3Max footprint,

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Q
Rocco, guest, from IL, United States, asked on July 13, 2020

Could I drill this to fit a Romeo Zero to my shotgun?

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A
Answered by Patrick, Gear Expert, from IL, United States, on November 16, 2021

This is for the RMR footprint you will need an adapter with the Shield Sight footprint.

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Benjamin, member, from FL, United States, asked on December 09, 2019

Will this work with a vortex venom?

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A
Answered by Patrick, Gear Expert, from IL, United States, on November 16, 2021

No, this will not be compatible with the Vortex Venom footprint.

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Q
Wins, guest, from National Capital Region, Philippines, asked on May 30, 2019

Good day! May I ask what other brand of red dot sights would fit perfectly with this mount? Thank you very much in advance!

Expert Answer
A
Answered by Corey K., Gear Expert, from IL, United States, on May 31, 2019

Only particular sights will work with the RMR footprint at this time. The RMR, RMR Type 2, and HS507C are all available optics that can work with the mounting pattern. Trijicon has confirmed that their new SRO will use this footprint as well.

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Q
Nubs, guest, from TN, United States, asked on December 25, 2024

Will this mount work with swampfox liberty Micro reflex 1x22?

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Q
Mike Gardner, guest, from NV, United States, asked on February 08, 2024

Will this accommodate sig Romeo 1 Pro , picture seems like it will?

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Why use an OpticsPlanet.com account for my questions and answers?

Having an account with OpticsPlanet.com makes writing questions and answers even better! We’ll save all of your questions and answers in your account, provide you easy access to them, so you can see how the community has responded.

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Last updated 2025-11-12 UTC.