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Old 09-15-2013, 15:03   #1
Smooth_squeeze
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Can a Glock 21 13 round mag be shortened to fit flush in a G30?

Is it possible to shorten a standard 13 round Glock 21 magazine to the size of the Glock 30 9 round mag?

Reason I ask is it's pretty tough finding a 9 round mag, and I have an extra G21 that could potentially be shortened.

Any suggestions about doing this will be most appreciated.
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Old 09-15-2013, 16:11   #2
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Do it in the name of science
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Old 09-15-2013, 16:22   #3
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So, go where no man has ever gone before, yada yada?
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Old 09-15-2013, 16:59   #4
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You can do what you want, but I wouldn't trash a 13rd magazine...not as hard as high cap mags are to get right now.
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Old 09-25-2013, 05:41   #5
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Remove base pad, cut off bottom of mag to fit,cut off spring same amount, JB weld base pad, crude, but works.
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Old 09-25-2013, 08:04   #6
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Quote:
Originally Posted by phonejack View Post
Remove base pad, cut off bottom of mag to fit,cut off spring same amount, JB weld base pad, crude, but works.
Thank you!
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Old 09-25-2013, 08:57   #7
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Take your 10 rnd mag extension off and put a standard base plate on the mag. You now have a 9 rounder. Easy and it only takes a few seconds.
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Old 09-25-2013, 09:05   #8
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Quote:
Originally Posted by oldman11 View Post
Take your 10 rnd mag extension off and put a standard base plate on the mag. You now have a 9 rounder. Easy and it only takes a few seconds.
I had thought about something in that line, but when I inspected the magazine body, I realized that wouldn't work, as the body in the 10 round mag is approximately 1/2" longer than the 9 round mag. Perhaps some of the 10 round mags are the same length as the 9s, but subsequent to starting this thread I purchased a 9 round mag, and can tell you the difference is really noticeable. The extra 1/2 inch is important, at least for me, when carrying concealed.
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Old 12-02-2013, 13:40   #9
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Originally Posted by oldman11 View Post
Take your 10 rnd mag extension off and put a standard base plate on the mag. You now have a 9 rounder. Easy and it only takes a few seconds.

I have both 10 rounders and 9 rounders, the mag bodies are not the same...
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Old 12-02-2013, 18:16   #10
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Please don't carry a mag modded like that.

Eta old thread
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Old 12-02-2013, 23:39   #11
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that sounds like entirely to much trouble. Are g30 mags hard to find?
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Old 12-03-2013, 02:47   #12
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They were extraordinarily difficult to find in the 9 round size. I paid a premium to get one, and am glad it was available. 1/2 an inch in the wrong place is super noticeable. Does $70 for a 9 rounder sound obscene?

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that sounds like entirely to much trouble. Are g30 mags hard to find?
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Old 01-21-2014, 13:17   #13
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that sounds like entirely to much trouble. Are g30 mags hard to find?
Impossible
Glock stopped making them
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Old 01-21-2014, 14:08   #14
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Impossible
Glock stopped making them
No they didn't stop making them, they are just a lot of months behind. This is straight from Glock.
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Old 01-22-2014, 05:52   #15
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Quote:
Originally Posted by oldman11 View Post
Take your 10 rnd mag extension off and put a standard base plate on the mag. You now have a 9 rounder. Easy and it only takes a few seconds.
that doesn't work on the 30, it's not an extension.
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Old 02-15-2014, 04:16   #16
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JB Weld the base plate on? Just swap the 10 round for the 9 round base plate? Seriously, do NOT take any advice on Glocktalk as gospel, because there are a LOT of very, very, VERY ill informed opinions and ill considered "logic" on the loose in here. My God, JB weld a base plate on? Really? REALLY?
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Old 02-15-2014, 04:18   #17
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Quote:
Originally Posted by phonejack View Post
Remove base pad, cut off bottom of mag to fit,cut off spring same amount, JB weld base pad, crude, but works.
You first
That would never work
Too much strong pressure
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Old 02-15-2014, 06:50   #18
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Quote:
Originally Posted by phonejack View Post
Remove base pad, cut off bottom of mag to fit,cut off spring same amount, JB weld base pad, crude, but works.

Just wondering if you have actually done this, and if so, how it worked out for you. Do you have any pictures of such a modified mag you could share with us?
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Old 02-15-2014, 08:06   #19
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Quote:
Originally Posted by OMCHamlin View Post
JB Weld the base plate on? Just swap the 10 round for the 9 round base plate? Seriously, do NOT take any advice on Glocktalk as gospel, because there are a LOT of very, very, VERY ill informed opinions and ill considered "logic" on the loose in here. My God, JB weld a base plate on? Really? REALLY?
Lots of ill informed indeed, putting a 9 round base plate on a 10 round mag will NOT make it a flush fit. Have you ever even handled one??? The mag bodies are different and the 10 rounder is longer... It wont work.

Please stop giving bad advice on the internet, you are not helping...
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Old 02-15-2014, 08:57   #20
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"smooth squeeze, NYresq, ca survivor". Sorry about that bad information. I had asked 3 gun shops and they all told me it could be done. I finally got ahold of Glock and they confirmed what you say. Again, sorry about the bad info. Have a good one.
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Last edited by oldman11; 02-15-2014 at 08:58..
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Old 02-16-2014, 07:46   #21
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Quote:
Originally Posted by NYresq View Post
Lots of ill informed indeed, putting a 9 round base plate on a 10 round mag will NOT make it a flush fit. Have you ever even handled one??? The mag bodies are different and the 10 rounder is longer... It wont work.

Please stop giving bad advice on the internet, you are not helping...
I did not give the advice, I'm saying the same thing YOU are! That was advice that another cretin offered. Reading is fundamental...

Oh, and yes, I HAVE EVEN HANDLED ONE, or two, or even three...

Last edited by OMCHamlin; 02-16-2014 at 07:47..
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Old 02-16-2014, 08:55   #22
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I was agreeing with you about the flow of ill informed ignorance on this board, my question of having handled the mags was directed to poster who stated they could be flush with a baseplate change!
Calm yourself...
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Old 02-16-2014, 10:48   #23
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Quote:
Originally Posted by NYresq View Post
I was agreeing with you about the flow of ill informed ignorance on this board, my question of having handled the mags was directed to poster who stated they could be flush with a baseplate change!
Calm yourself...
OH! Well, you QUOTED ME, I thought you were thinking I was advocating swapping baseplates! Incidentally, there are at least three 9 round mags listed on E-Bay, if the original poster (the magazine surgeon) wants one that will actually work, and not simply ruin an innocent 13 rder... You better want it BAD though!

Since having started to visit this place more often though, I am amazed at the ratio of worthwhile to worthless to downright dangerous "information" being exchanged here...
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