Converting a Glock 20 into a Glock 21 results.

[arlaunch]

For a variety of reasons to lengthy to post i considered this conversion (10mm Auto to 45 ACP)
In the end, i found that the only reasonable way to do this is to just buy a Glock 21 slide and barrel assembly.

I found the barrels to be different, and the slides are also different. They are non compatible. I can see how the conversion could go the other way without a hiccup. Conversion barrels are made by several custom makers to go from 45 to 10mm. These conversion barrels would be altered to fill the .050 gap in the rear of the slide.

 

[GC]

You are trying to do it backward. You can convert your 10mm to .40 S&W and .357 Sig. You can convert the .45 to 10mm.

 

[Kino M]

Why oh why would you commit such a crime and neuter that 10mm!!!

 

[DiYi]

Chuckling about the 'neuter' comment.I get tinkering and have at it but,for me,not on the 20.I actually shoot mine better than the 19X and my 43.