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AR15.COM
3/3/2015 1:36:57 AM EDT
Been thinking about getting a Glock for a while. I've shot a few and kinda like the way it handled. I already have a pistol, FNX 45 and love it and it's high capacity. But I just want another pistol and a Glock seems like it could be it. So here's my question, is there a multi caliber Glock? What I mean is is there a Glock that I can change out the slide and magazine to a different caliber? I've been looking at the 20 in a 10mm and was thinking it'd be pretty cool to get different slides for different calibers like a 9, .40 and even a 357 sig. Is this possible? A multi caliber Glock? Thanks for the help yall!
3/3/2015 2:04:32 AM EDT
[#1]
IIRC the 10mm glocks can be converted to 45 acp.

The 357 sig Glocks and the 40 s&w glocks can both be converted to 9mm, but not the other way around.

And it seems like you can get a .22lr kit for just about any Glock these days.
3/3/2015 11:09:09 AM EDT
[#2]
G21 can be converted to 10mm
40 S&W-357 Sig-9mm uppers are interchangeable and may or may not need ejectors changed out to function.
40 S&W-357 Sig are just barrel swaps
40 S&W-357 Sig pistols can be converted to 9mm with a conversion barrel
http://www.lonewolfdist.com/Products.aspx?CAT=241
3/3/2015 11:18:21 AM EDT
[#3]
Quote History
Quoted:
G21 can be converted to 10mm
40 S&W-357 Sig-9mm uppers are interchangeable and may or may not need ejectors changed out to function.
40 S&W-357 Sig are just barrel swaps
40 S&W-357 Sig pistols can be converted to 9mm with a conversion barrel
http://www.lonewolfdist.com/Products.aspx?CAT=241
View Quote


This is exactly right.  Are you considering it being a carry pistol?  Range pistol?
To me I would rather add a 9mm than a 40/357 pistol because of having to add multi caliber ammo and mags.  But with everyone starting to go into full panic mode a multi caliber pistol would be a good option for when ammo of one caliber is scarce.
3/3/2015 11:57:03 AM EDT
[#4]
Unless if you're really going to do a lot of caliber swapping, I'd go with the metric (9mm and 10mm) Glocks personally.  The 40s are snappier than the 9mms and the ammo is quite a bit more expensive.  10mm is an awesome cartridge, especially if you reload.
3/3/2015 1:55:10 PM EDT
[#5]
I would like it to be a range/HD/training pistol. So it's not possible to have one frame and two slides for 10mm and 9mm?
3/3/2015 2:30:17 PM EDT
[#6]
I believe that there are only two frame widths, so 9/40/357sig and 10mm/45acp can interchange barrels.

But the conversions aren't cheap and the gen 4's come with $75-100 worth of mags, so it's not as cost-effective as you may think to go that route.  In some cases the extractor needs to go too so it's no longer a "drop in" system.

So for ~$200 you can have a barrel and 3 mags. For $350 (PD trade in cost ) to $550 new you can have a gun and three mags.

I prefer to just buy them all!
3/3/2015 2:39:22 PM EDT
[#7]
Quote History
Quoted:
I would like it to be a range/HD/training pistol. So it's not possible to have one frame and two slides for 10mm and 9mm?
View Quote



Nope completely different frame sizes.  45 and 10 interchange and 9/40/357 on frames.  

That's why holsters are often marked Glock 20/21, Glock 19/23/32, Glock 17/22/31, Glock 26,27,33, and Glock 29/30
3/3/2015 5:13:47 PM EDT
[#8]
Quote History
Quoted:



Nope completely different frame sizes.  45 and 10 interchange and 9/40/357 on frames.  

That's why holsters are often marked Glock 20/21, Glock 19/23/32, Glock 17/22/31, Glock 26,27,33, and Glock 29/30
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Quoted:
Quoted:
I would like it to be a range/HD/training pistol. So it's not possible to have one frame and two slides for 10mm and 9mm?



Nope completely different frame sizes.  45 and 10 interchange and 9/40/357 on frames.  

That's why holsters are often marked Glock 20/21, Glock 19/23/32, Glock 17/22/31, Glock 26,27,33, and Glock 29/30


That's what I thought but just wanted to make sure. Dang I was hoping there would be a chance but I guess not. I wanted a 10mm but I also want to be able to switch calibers and don't want another 45.
3/3/2015 9:50:36 PM EDT
[#9]
I believe there is a 10mm to .40 conversion kit, but it falls into the category of more trouble than it's worth. Range and HD? The 34 is your answer, or the 35 with conversions to .357 and 9mm. Most honest answer is the 19 because it is the best Glock overall.

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3/4/2015 2:41:56 AM EDT
[#10]
Quote History
Quoted:
I believe there is a 10mm to .40 conversion kit, but it falls into the category of more trouble than it's worth. Range and HD? The 34 is your answer, or the 35 with conversions to .357 and 9mm. Most honest answer is the 19 26 because it is the best Glock overall.

Posted Via AR15.Com Mobile
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FIFY
3/4/2015 10:41:20 AM EDT
[#11]
Quote History
Quoted:
I believe there is a 10mm to .40 conversion kit, but it falls into the category of more trouble than it's worth. Range and HD? The 34 is your answer, or the 35 with conversions to .357 and 9mm. Most honest answer is the 19 because it is the best Glock overall.

Posted Via AR15.Com Mobile
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Actually if you don't reload a 40 conversion kit makes some sense.  Since most 10mm FMJ "practice ammo" is loaded about like 40 anyway, it's just as effective to use a 40 conversion for practice and the ammo costs substantially less.  I've also heard some guys say they like using a G20 with a 40 conversion for competition shooting because the wider frame and heavier slide really soak up the 40 recoil well while still making major power factor.
3/4/2015 6:50:56 PM EDT
[#12]
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Quoted:

FIFY
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Quoted:
Quoted:
I believe there is a 10mm to .40 conversion kit, but it falls into the category of more trouble than it's worth. Range and HD? The 34 is your answer, or the 35 with conversions to .357 and 9mm. Most honest answer is the 19 26 because it is the best Glock overall.

Posted Via AR15.Com Mobile

FIFY

The 19 is the best general purpose pistol ever made so it stands to reason it's the best overall from Glock.

Posted Via AR15.Com Mobile
3/4/2015 7:07:37 PM EDT
[#13]
OP thinks too much.

Step 1: G19

Step 2: There is no Step 2.




3/4/2015 9:03:49 PM EDT
[#14]
Quote History
Quoted:

FIFY
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Quoted:
Quoted:
I believe there is a 10mm to .40 conversion kit, but it falls into the category of more trouble than it's worth. Range and HD? The 34 is your answer, or the 35 with conversions to .357 and 9mm. Most honest answer is the 19 26 because it is the best Glock overall.

Posted Via AR15.Com Mobile

FIFY




Posted Via AR15.Com Mobile
3/5/2015 9:35:14 AM EDT
[#15]
Maybe a Glock 17 is step 2
Quote History
Quoted:
OP thinks too much.

Step 1: G19

Step 2: There is no Step 2.




View Quote

3/5/2015 12:44:41 PM EDT
[#16]
Quote History
Quoted:
Maybe a Glock 17 is step 2
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Quote History
Quoted:
Maybe a Glock 17 is step 2
Quoted:
OP thinks too much.

Step 1: G19

Step 2: There is no Step 2.






19 then 34, then whatever garnishes you want.

Posted Via AR15.Com Mobile
3/7/2015 10:23:32 PM EDT
[#17]
I saw that Lonewolf sells a 9mm conversion barrel for the G20 so is there a company that might do a custom slide with the right internals for a 9mm then just pop in the Lonewolf barrel?