Why buy a 9mm Conversion barrel for the Glock 40 Caliber?

Published on December 1, 2016
Duration: 21:24

This guide details the installation of a 9mm conversion barrel into a Glock .40 caliber pistol, as demonstrated by Sootch. The process involves field stripping the firearm, swapping the barrel, and using a 9mm magazine. This modification allows for shooting cheaper 9mm ammunition while retaining the original .40 caliber capability. The video emphasizes the technical differences between standard 9mm and .40 S&W barrels and the necessity of a conversion barrel for proper slide fit.

Quick Summary

Installing a 9mm conversion barrel on a Glock .40 caliber pistol allows it to fire 9mm ammunition, offering reduced recoil, lower ammo costs, and higher capacity. A conversion barrel is necessary because standard 9mm barrels don't fit properly in .40 slides.

Chapters

  1. 00:00Introduction to .40 S&W and the 9mm Shift
  2. 01:25The Conversion Solution
  3. 03:11Installation and Technical Differences
  4. 06:19Barrel Features: Rifling and Crown
  5. 08:10Caliber Comparison: 9mm vs .40 S&W
  6. 13:17Range Testing and Performance
  7. 16:08Pricing and Final Assessment

Frequently Asked Questions

What are the benefits of using a 9mm conversion barrel on a Glock .40 caliber pistol?

A 9mm conversion barrel allows your .40 caliber Glock to fire 9mm ammunition, offering reduced recoil for faster follow-up shots, lower ammunition costs for practice, and potentially higher magazine capacity. It's a cost-effective way to increase firearm versatility.

Can I use a standard 9mm barrel in a Glock .40 caliber slide?

No, a standard 9mm barrel typically has a smaller outer diameter than a .40 S&W barrel. This difference prevents proper lock-up in a .40 caliber slide, leading to poor accuracy. Conversion barrels are specifically engineered with thicker walls to fit .40 slides correctly.

What features should I look for in a 9mm conversion barrel for my Glock?

Look for barrels made from quality materials like 416R Stainless Steel. Features such as an 11-degree target crown for accuracy and standard lands and grooves rifling for broader ammunition compatibility (including lead bullets) are beneficial.

How does a 9mm conversion barrel affect the Glock's performance during live fire?

Live fire testing typically shows noticeably less muzzle flip and flatter shooting with a 9mm conversion barrel compared to the .40 S&W. This improved shootability allows for quicker target reacquisition and a more comfortable shooting experience.

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