Shoot 9mm Out Of Your .40 S&W Glock With This Drop-In Upgrade

Glock's versatility is a large part of why it is the dominant handgun in the world today. There are so many aftermarket parts available for the Glock handgun and today we are talking about one very useful part, the Conversion Barrel. Many people don't even know that this is an option and once they learn about it they immediately want to take advantage of the function.

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Contents of Video:
0:00 - Intro
0:34 - Overview
1:36 - Disassembly
3:37 - How it Works
5:24 - Installation
7:55 - Magazines
11:05 - Conclusion