Gen 6 optic not staying put

Published on March 5, 2026
Duration: 12:01

This guide addresses issues with the Glock Gen 6 optic mounting system, where optics may not remain secure. It details potential problems with the factory MOS plates and recommends using aftermarket plates for a more stable and precise fit. The process involves inspecting the slide, selecting an appropriate plate, using correct screws, and ensuring proper torque for reliable optic performance. Instruction is provided by an expert with extensive experience in competitive shooting and firearm modification.

Quick Summary

Experts recommend using aftermarket optic mounting plates made from metal, such as those from Aris or CH Precision, for Glock Gen 6 pistols. These plates offer a more precise fit, better utilize the slide's mounting posts, and provide superior stability compared to the factory Glock MOS plates, which can be untrustworthy and lead to optic movement.

Chapters

  1. 00:00Intro: Gen 6 Optic Mounting Issues
  2. 00:45Gen 6 Mount Design Flaws
  3. 01:22O-Site Optic Failure Example
  4. 02:46Aftermarket Plate Recommendation
  5. 03:04Disappointment with Factory Solution
  6. 04:26Rushing Gen 6 Adoption
  7. 05:18Universal Cut vs. Snug Fit
  8. 07:27Gen 6 Grip Changes
  9. 08:38Plastic Gasket vs. Mechanical Fit
  10. 10:11Vortex Optic Reliability
  11. 11:50Conclusion & Aris Plate Update

Frequently Asked Questions

Why might a red dot optic not stay put on a Glock Gen 6?

The Glock Gen 6 optic mounting system, particularly the factory MOS plates, may not provide a consistently secure fit. Issues can arise from the design not fully utilizing all mounting posts or from the plastic material of the plates not holding up to recoil, leading to optic movement.

What are the recommended solutions for unstable red dot optics on Glock Gen 6 pistols?

Experts recommend using aftermarket optic mounting plates made from metal, such as those from Aris or CH Precision. These plates are often designed for a more precise fit, better utilize the slide's mounting posts, and offer superior stability compared to the factory Glock MOS plates.

What specific screws are typically used for mounting red dot optics on Glocks?

When mounting optics, various screw lengths and thread pitches are used, commonly including M3x10, M3x12, and M3x16. It is crucial to use the specific screws recommended by the optic or mounting plate manufacturer to ensure proper fit and avoid damage.

Are Glock Gen 6 pistols worth upgrading to immediately?

According to experienced instructors, there's no immediate need to rush into adopting Gen 6 Glocks. Existing Gen 5 models are reliable, and understanding and solutions for the Gen 6 system will continue to evolve. Sticking with proven platforms is a valid option.

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