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Discussion Starter · #1 ·
The G20 magazine extensions that were being listed on myglockdoc.com are NOT compatible with G20 mags. I ordered two extensions from the site last week and they arrived today (shipped from Lone Wolf Dist.).

The packages are clearly marked for the G21, not the G20. I didn't open the packages and emailed the seller that replied that it was the right part, just that the packaging hadn't been updated yet. Well I opened one up and the springs are far too wide to fit into my G20 mags. Here are side by side pics with an OEM spring:








I emailed the seller and he claims that they should drop right in, and that he sells most of these to 10mm owners. Are any of them here? Cause I don't see any way to defeat the laws of physics and make these fit. BTW here is the a link to the Google cache of the sales listing which seems to have just disappeared their site:

http://webcache.googleusercontent.c...lnk&gl=us&client=ubuntu&source=www.google.com

The G20 mag fits into the extension tube, but I don't see any way that spring will work.
 

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Discussion Starter · #3 ·
The problem is that the G20 tapers more than the G21 mag. That is why the spring doesn't fit.
 

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Well crap, that was a gross misrepresentation on the MyGlockDoc.com web site, which they have now retracted it appears. The whole key to make it work is the proper mag spring for the job. I will immediately edit my posting over in the original GT thread to warn others off and link back to this thread.
 

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Discussion Starter · #5 ·
Well crap, that was a gross misrepresentation on the MyGlockDoc.com web site, which they have now retracted it appears. The whole key to make it work is the proper spring for the job. I will immediately edit my posting over in the original GT thread to warn others off and link back to this thread.
Thanks, at $40 per extension it is criminal.
 

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Discussion Starter · #6 ·
And now the seller is claiming that the fact that the spring doesn't fit is "a design feature." Stay far away from these guys!
 

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Discussion Starter · #7 ·
I've also notified KRISS of what's going on.
 

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Discussion Starter · #8 ·
I got a reply from KRISS and they confirmed that they do not make anything for the Glock 20 magazines.
 
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