Gen 6 Glock 17: No Issues With the Optics Mounting System the Entire Time

Published on May 12, 2026
Duration: 1:39

This review of the Gen 6 Glock 17 highlights its reliability over 6,000 rounds, with only three stoppages, two of which were user-induced. The optics mounting system, featuring a Holosun 507 Comp, remained stable with no zero wandering or shifting. The pistol performed well despite using underpowered MagTech 115 grain ammunition, which is below the NATO spec 124 grain it's designed for.

Quick Summary

The Gen 6 Glock 17 proved highly reliable over 6,000 rounds, with only three stoppages, two of which were user-induced. Its optics mounting system, tested with a Holosun 507 Comp, maintained zero without wandering or shifting throughout the evaluation.

Chapters

  1. 00:02Stoppage Analysis
  2. 00:12Reliability Threshold
  3. 00:20Ammunition Considerations
  4. 00:43Optics Mounting System Performance
  5. 00:53Holosun 507 Comp Review
  6. 01:06Gen 6 Glock Internal Changes
  7. 01:23Performance vs. Previous Gens

Frequently Asked Questions

How reliable is the Gen 6 Glock 17 based on the 6000-round test?

The Gen 6 Glock 17 demonstrated strong reliability, with only three stoppages recorded over 6,000 rounds. Two of these were intentionally induced by the shooter manipulating the action, suggesting a very robust performance under normal shooting conditions.

Did the optics mounting system on the Gen 6 Glock 17 hold zero?

Yes, the optics mounting system on the Gen 6 Glock 17 performed exceptionally well. Throughout the entire 6,000-round test, there was no observed zero wandering or shifting, and the optic remained securely mounted.

What ammunition was used in the Gen 6 Glock 17 reliability test?

The Gen 6 Glock 17 was tested using MagTech 115 grain ammunition. It's noted that this ammunition is underpowered compared to the NATO spec 124 grain that firearms like the Glock 17 are often designed for.

How does the Gen 6 Glock 17 compare to previous generations in terms of performance?

The Gen 6 Glock 17 performed comparably to well-iterated previous generations such as the Gen 3, 4, and 5. This suggests that Glock's internal changes for the Gen 6 have maintained or improved reliability without introducing significant new engineering weaknesses.

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