Gen 6 Glock 17: Because These Aren't Plates

Published on April 27, 2026
Duration: 1:30

This video explains the function of the optic mounting system on a Gen 6 Glock 17, specifically detailing how the gasket/washer component acts more like a crush washer than a plate. It highlights how the rear of the component is thinner than the front, causing it to sit slightly higher than the optic cut. This lift provides a small amount of torque to the front of the optic, preventing forward and backward movement by increasing the shear resistance on the optic's mounting screws.

Quick Summary

The Gen 6 Glock 17 optic mounting gasket functions like a crush washer, with a thinner rear section that causes it to sit slightly higher than the optic cut. This provides torque to the front of the optic, preventing forward and backward movement and enhancing the shear strength of the mounting screws.

Chapters

  1. 00:02Optic Mount Functionality
  2. 00:04Crush Washer Analogy
  3. 00:06Component Dimensions
  4. 00:10Gasket/Washer Design
  5. 00:15Thinner Rear Section
  6. 00:19Unit Placement on Slide
  7. 00:24Height Above Optic Cut
  8. 00:30Setting and Tabbing
  9. 00:35Screwing Optic to Slide
  10. 00:39Adding Lift to Optic
  11. 00:45Torquing Mechanism
  12. 00:49Benefits of the System
  13. 00:51Understanding Screw Mechanics
  14. 00:55Top Down Forces
  15. 01:00Rear Optic Retention
  16. 01:03RMR/Vortex Defender Example
  17. 01:10Front Half Functionality
  18. 01:15Torquing Force Application
  19. 01:19Preventing Movement

Frequently Asked Questions

How does the optic mounting gasket on a Gen 6 Glock 17 function?

The gasket on the Gen 6 Glock 17 optic mount acts like a crush washer. Its design, with a thinner rear section, causes it to sit slightly higher than the optic cut, providing a small amount of torque to the front of the optic and preventing forward and backward movement.

What is the primary benefit of the Gen 6 Glock 17's optic mounting system?

The primary benefit is enhanced optic retention and screw longevity. By creating torque and preventing movement, the system reduces the stress on the optic mounting screws, making them less likely to shear and ensuring the optic stays securely in place.

Why is the rear of the Gen 6 Glock 17 optic gasket thinner?

The rear of the gasket is intentionally thinner than the front to ensure it sits slightly higher than the optic cut in the slide. This specific dimension is key to generating the necessary torque on the optic's front end, which is crucial for stability.

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