Q&A for EOTech EFLX Mini Reflex Red Dot Sight

EOTech EFLX Mini Reflex Red Dot Sight

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David, member, from FL, United States, asked on March 27, 2022

Can this optic fit on my Glock 43x MOS.

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on April 06, 2022

The Eotech EFLX uses the DeltaPoint Pro mounting footprint and would not be compatible with the Glock 43X MOS model handgun. The 43X is a slim, sub-compact that uses a different mounting footprint and will therefore not fit full sized optics like the EFLX.

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John, guest, from PA, United States, asked on October 22, 2026

what lightweight dovetail mounting adapter is needed

AI Answer

Answered by OpticsPlanet AI, on October 22, 2026

The EFLX uses the Leupold DeltaPoint Pro footprint and can be fitted to a milled slide or to a separately sold rear dovetail mounting adapter compatible with that DeltaPoint Pro footprint; EOTech does not designate one specific lightweight adapter as required.

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Tim, guest, from GA, United States, asked on September 23, 2026

Will theveotech work on a Sig M18

AI Answer

Answered by OpticsPlanet AI, on September 23, 2026

Yes, the EOTech EFLX uses the DeltaPoint Pro footprint, which matches the optics-ready cut on the Sig M18, so it will mount directly without an adapter plate.

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Mr. Bill, guest, from NC, United States, asked on September 13, 2025

Would this eotech eflx mini mount and co-witness with the full size Echelon with standard sights? Thanks

Answered by SmokinHogRider, member, from VA, United States, on March 19, 2026

Yes and no....the Echelon comes with the pins specifically for the Delta Point Pro mounting. As far as co-witnessing goes, I'm not sure how high this sight would sit on the Echelon. If you're lucky enough, you may get a little less than a lower 1/3 co-witness.

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Andrew, member, from CO, United States, asked on June 19, 2025

Will this fit on a Glock 49 MOS?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on June 19, 2025

Yes, the EOTech EFLX Mini Reflex Red Dot Sight is compatible with the Glock 49 MOS. You will need to use plate #4 included with your Glock to install this optic.

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Kristopher Kalimon, member, from PA, United States, asked on March 05, 2025

Will it fita hellcat 9mm pro osp

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on March 05, 2025

No, the EFLX uses the larger Deltapoint Pro footprint, you will be able to fit optics that use the smaller RMSc footprint. Some direct fit options include the Shield RMSc, Sig Romeo Zero, Vortex Defender CCW and more.

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Chris, member, from WA, United States, asked on November 19, 2024

Will this mount on a sig 365?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on November 19, 2024

The EOTech EFLX Mini Reflex Red Dot Sight is not compatible with the P365. The P365 is designed to accept optics that use the RMSc or K footprint. The EFLX uses the Deltapoint Pro footprint which is too large for the P365. Direct fit options include the Shield RMSc, Holosun 407K/507K, Sig Romeo Zero, Vortex Defender CCW and more.

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Dan, member, from TX, United States, asked on September 13, 2024

Will this mount on a ACOG?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on September 13, 2024

Because the Eotech EFLX uses the Deltapoint Pro footprint, you would need to use a Deltapoint Pro ACOG red dot sight mount as it would not work with traditional RMR pattern red dot sight mounts. Unfortunately, we do not carry a Deltapoint Pro pattern red dot sight mount that works with the ACOG.

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Soundshooter, member, from MA, United States, asked on September 06, 2024

what footprint? RMR-cc or something else? Will this fit Sig Sauer?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on September 06, 2024

The EOTech EFLX Mini Reflex Red Dot Sight uses the Deltapoint Pro footprint. It will be directly compatible with Sig P320 (optic ready) model pistols.

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Anthony Espinosa, member, from TX, United States, asked on August 22, 2024

Will this sight go on a walther Q5 match ?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on August 22, 2024

The EOTech EFLX Mini Reflex Red Dot Sight is compatible with the Walther Q5 Match. You will need to request a Deltapoint Pro (DPP) optic adapter plate from Walther in order to install this optic.

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Q&A for EOTech EFLX Mini Reflex Red Dot Sight — 168 Questions & 59 Answers