So I want to get some 9mm mags for my G22 and a 9mm barrel.. I will likely keep the 40 stuff... but just like to be able to share between guns..

 

my understanding is the following but I need to verify...

 

Gen 4 Glock - Gen 4 mags ONLY

Gen 3 Glock - Gen 4 mags OR Gen 3 mags

 

is this accurate?

 

thanks 

You can use any generation mag in a Gen 4 as long as the mag release is on the left side (normal/right hand setup).

You can use an earlier mag in the Gen4 guns however the ambi release won't function with them as they weren't cut for them. IIRC, the exception to this is the 20/21/29/30 which had a SF variants with ambi mag release so the mags that came with it should work normally in a Gen4.

One a side note I cant wait for the Magpul Glock 19 mags.

OK to rephrase.. I have a gen 3.. lol I can use any mag is that correct? I really want some 9mm pmags and at least one 33 round glock mag.. I think that 33 rounds on 9mm in a handgun will be silly fun.. 

Yup. Any mag.

thank you 

I've used G21 gen2 mags in my Gen4 with ZERO issues. 

One a side note I cant wait for the Magpul Glock 19 mags.

Looks to be priced fairly nice at MSRP $15.95  

 

https://www.magpul.com/products/pmag-15-gl9

I ordered 6 of em from quantico tactical months ago. Just waiting.

Why is it taking months for your order ?

Magpul hasnt released em yet. They are pre-order.

Vlad. The only thing different on the gen 4 is the notch is on both sides. If you have a gen 4 you only need gen 4 mags if you plan to run the mag release on the other side. If not, you can use any mag without issue.