Shooting 9mm in your .40... just a barrel swap away!

Published on September 5, 2013
Duration: 9:48

This video demonstrates how to convert a Glock 22 (.40 S&W) to fire 9mm ammunition using a specialized conversion barrel. It covers the disassembly process, barrel comparison, installation, and analyzes magazine compatibility, concluding with a successful range test. The conversion is presented as a straightforward modification for Glock owners.

Quick Summary

You can convert a Glock .40 S&W to shoot 9mm by installing a specialized 9mm conversion barrel. This barrel fits the .40 slide but has a 9mm bore. While .40 magazines may function, 9mm magazines are recommended for reliability.

Chapters

  1. 00:00Introduction to Conversion Barrels
  2. 01:12Disassembly and Safety Check
  3. 02:16Barrel Comparison (.40 vs 9mm)
  4. 03:549mm Conversion Barrel Installation
  5. 04:26Magazine Compatibility Analysis
  6. 08:25Range Testing the Converted Glock

Frequently Asked Questions

Can I shoot 9mm in my .40 caliber Glock?

Yes, you can shoot 9mm in a .40 caliber Glock by installing a specific 9mm conversion barrel. This barrel is designed to fit the .40 slide while providing a 9mm bore. It's a common modification for Glock owners looking for caliber flexibility.

What is needed to convert a Glock .40 to 9mm?

To convert a Glock .40 S&W to 9mm, you primarily need a 9mm conversion barrel designed for your specific Glock model. The process involves field stripping the firearm, replacing the .40 barrel with the 9mm conversion barrel, and reassembling. No slide modification is typically required.

Will my .40 caliber Glock magazines work with 9mm rounds?

While .40 caliber magazines can sometimes feed 9mm rounds in a converted Glock, it's not ideal. The wider feed lips of .40 magazines can lead to feeding issues like double feeds. It's recommended to use 9mm magazines for reliable feeding with 9mm ammunition.

Is installing a Glock conversion barrel difficult?

Installing a Glock conversion barrel is generally a straightforward process. It's considered a drop-in modification that requires basic firearm disassembly and reassembly skills, similar to routine cleaning. No specialized gunsmithing tools are usually needed for the barrel swap itself.

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