Gen 2 Glock 23 with 40S&W and 9mm conversion barrel at the range. Reliability and accuracy testing

Published on January 30, 2024
Duration: 11:09

This review details the accuracy and reliability testing of a Gen 2 Glock 23 equipped with a 9mm conversion barrel. The presenter notes a significant shift in the point of impact when switching calibers, requiring sight adjustment for accurate 9mm shooting. Reliability was generally good, though some malfunctions were observed with specific aftermarket magazines and Tula ammunition.

Quick Summary

Using a 9mm conversion barrel in a Glock 23 can significantly alter the point of impact, typically causing shots to group low and left. This necessitates sight adjustments for accurate 9mm shooting. Reliability can also be affected by the .40 S&W recoil spring and magazine type, with factory Glock magazines often performing better.

Chapters

  1. 00:28Introduction and Range Setup
  2. 00:47Welcome to Cranky Gun Reviews
  3. 00:58Glock 23 in .40 S&W and 9mm Conversion Barrel
  4. 01:12Accuracy and Functionality Testing Plan
  5. 01:45Shooting .40 S&W
  6. 02:52.40 S&W Accuracy Results and Sight Discussion
  7. 03:32Switching to 9mm Conversion Barrel
  8. 03:45Shooting 9mm
  9. 04:559mm Accuracy Results and Comparison
  10. 05:13Investigating Barrel Impact Shift
  11. 05:29Second Round of Accuracy Testing
  12. 06:14Second Accuracy Results and Point of Impact Analysis
  13. 07:01Reliability Observations and Magazine Issues
  14. 07:33Testing 9mm Reliability with Various Magazines
  15. 08:33Shooting with ETS Magazine
  16. 09:27Shooting with Glock 17 Magazine
  17. 09:55Final 9mm Accuracy Assessment
  18. 10:14Conclusion on Barrel Conversion and Accuracy
  19. 10:27Overall Reliability Summary
  20. 10:42Concluding Remarks and Call to Action

Frequently Asked Questions

Does a 9mm conversion barrel affect the accuracy of a Glock 23?

Yes, a 9mm conversion barrel in a Glock 23 can significantly shift the point of impact. The presenter found that 9mm shots consistently grouped low and to the left compared to .40 S&W, necessitating sight adjustments for accurate shooting.

What are common reliability issues when using a 9mm conversion barrel in a .40 S&W Glock?

Common issues include stovepipes, potentially caused by the .40 S&W recoil spring being too stiff for 9mm. Magazine type also plays a role, with aftermarket magazines sometimes causing more malfunctions than factory Glock magazines.

How does ammunition type affect reliability with a Glock 23 conversion barrel?

Lower-powered ammunition, like Tula (TMO), can exacerbate reliability issues with a 9mm conversion barrel due to its lower recoil, potentially leading to stovepipes if the recoil spring is not optimally matched.

What is the recommended solution for accuracy issues with a Glock 23 9mm conversion barrel?

To achieve accurate 9mm shooting with a conversion barrel in a Glock 23, you will likely need to adjust your sights. The presenter suggests aiming higher and to the right to compensate for the observed low-and-left grouping.

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