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AR15.COM
5/10/2012 8:50:38 AM EDT
I have some 33 round glock magazines that I rarely actually use. I am about to build a g17 for USPSA and was wondering if the extensions off the 33 rounders would function fine with the 17 rounders. I'm assuming they will, but I thought I would make sure before I disassemble all of them.
5/10/2012 8:57:13 AM EDT
[#1]
What division are you going to be shooting your G17 in?
5/10/2012 9:37:20 AM EDT
[#2]
I have been using a g19 in the stock service pistol division. I haven't got to shoot competitively for a few months because of work and school. I'm itching to get back into it.

I do it more for training that to win. Of course I like scoring well, but I don't expect to beat the race guns and what not. Although I have beat numerous race gun guys with a g19.
5/10/2012 10:33:12 AM EDT
[#3]
Yes, they will work with your G17 mags. I assume you are shooting Production Division in USPSA. Stock Service Pistol is IDPA.
5/10/2012 10:38:27 AM EDT
[#4]
correct me if I am wrong but I thought USPSA production class was a 10 round mag limit?
5/10/2012 10:54:17 AM EDT
[#5]
To answer your question OP, yes the factory extension will function fine on a factory G17 mag. My carry mag is a G17 with the factory extension on it
5/10/2012 12:07:40 PM EDT
[#6]
Quoted:
correct me if I am wrong but I thought USPSA production class was a 10 round mag limit?



IPSC has mag dimension restrictions.

But he does not have to shoot production with a Glock 17. He couls shoot open with it.

Also there is production and production-10
5/10/2012 12:24:57 PM EDT
[#7]
Glock recommends using an 11-coil G22 magazine spring when you're using the +2 on a G17 magazine, rather than the standard 10-coil G17 magazine spring. But it should work fine with the original spring.
5/10/2012 12:40:58 PM EDT
[#8]
The extension will work, but it's the mag spring that you need to be careful of, you may need an extra coil or +power spring.
5/11/2012 10:47:27 AM EDT
[#9]
I ended up putting them on some g19 mags instead. I used them yesterday and they seemed to function perfectly.