Malfunction City - Glock 19/23 Build

Published on January 7, 2023
Duration: 3:07

This video details a Glock 19/23 build that experienced significant malfunctions when chambered in 40 S&W, despite running flawlessly in 9mm. The builder suspects the aftermarket stainless steel guide rod or the compatibility of the Glock 23 slide with a 9mm conversion barrel is the cause of the failure to feed issues. The build highlights the importance of ensuring component compatibility for reliable firearm operation.

Quick Summary

A Glock 19/23 build experienced 'Malfunction City' issues when chambered in 40 S&W, despite flawless 9mm operation. Failures to feed occurred frequently, potentially due to an aftermarket stainless steel guide rod or slide/barrel compatibility problems. Troubleshooting involves testing OEM parts.

Chapters

  1. 00:00Introduction to Glock 19/23 Build
  2. 00:049mm Build Performance: Flawless Operation
  3. 00:25Aftermarket Parts: Stainless Steel Guide Rod
  4. 00:34Transition to 40 S&W: Issues Begin
  5. 00:40Glock 23 Slide and 40 S&W Compatibility
  6. 00:56Initial 40 S&W Test: Malfunctions Emerge
  7. 01:13Magazine Fit and Release Problems in 40 S&W
  8. 01:17Frequent Failures to Feed in 40 S&W
  9. 01:28Suspected Causes: Guide Rod or Frame Issue
  10. 01:409mm vs 40 S&W Performance Comparison
  11. 01:49Troubleshooting: Testing OEM Guide Rod
  12. 01:57Frame Pin Hole Tightness
  13. 02:04Conclusion and Future Testing

Frequently Asked Questions

Why did a Glock 19/23 build experience malfunctions when switching to 40 S&W?

The Glock 19/23 build, initially running flawlessly in 9mm with a conversion barrel, encountered frequent failures to feed when using a Glock 23 slide and an OEM 40 S&W barrel. Potential causes include the aftermarket stainless steel guide rod or inherent compatibility issues between the components.

What were the specific malfunctions observed in the Glock 19/23 build with 40 S&W?

The primary malfunction was a failure to feed, occurring every two to five shots. Additionally, the 40 S&W magazine did not seat as smoothly, and the magazine release was problematic, requiring manual intervention to remove the magazine.

What aftermarket parts were used in the Glock 19/23 build?

The only internal aftermarket part mentioned was a stainless steel guide rod. The build also incorporated a 9mm conversion barrel and a Glock 23 slide, with the frame's pin holes being unusually tight, requiring a hammer for installation.

How can one troubleshoot malfunctions in a custom Glock build?

Troubleshooting involves systematically testing components. In this case, the builder plans to swap the aftermarket stainless steel guide rod for an OEM one to see if it resolves the 40 S&W malfunctions. If issues persist, the frame or slide compatibility would be further investigated.

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