Posted: 2/7/2008 7:30:57 PM EDT
| I just got a 32 and i like it. for some of you who haven't tried it, its different. the recoil seems really sharp. anyway i was talking to another guy and he said that all you would have to do to convert a 23 to a .357 sig would be to drop a 32 barrel in it. I am not sure why i would want to to this but i was wondering if it is true? |
| lol i would feel better if some one had tried it before...or made a video of it. i don't really need to try it since i have both guns but i don't know maybe if you own a 23 and want a 32. i doubt the 19 would handle the pressure but i don't see why the .40 couldn't handle it. |
.40 and .357 sig barrels/mags are interchangable. they can also take a 9mm conversion barrels, a factory 9mm barrel will not drop in since they are smaller in diameter. a 9mm cannot be converted to .40/.357 sig due to the larger barrels will not fit their slide. |
| so there won't be a pressure problem? the only difference that i could see off hand in the weapons was the feed ramp in the 32 was a bit square and black, which makes me a little apprehensive about polishing it. anyway i guess that is a cool thing to know. thanks man |
"Square and black" is a description that fits all Glocks.  On aftermarket barrels, it may be worth polishing the feed ramp, but seriously, they're plenty slick as they are. As far as pressure goes, the .40 has a lower pressure, and the thinner diameter at the shoulder .357 SIG is about 5000 psi higher, so that works given the reduction in thickness. Now, Glock will probably tell you it's not supported. Other manufacturers seem to think this is okay, so using another barrel is up to you. |
The .40 and .357 Sig barrels are interchangeable, and Glock will tell you that. |
Don't you have to change your extractor out to a 9mm extractor when you go from .40 or .357 to 9mm? This is my take; extractor, mags, barrel and ammo will allow you to change callibers. |
No, I have yet to replace the extractor or ejecter in any of the Glocks I've converted(23-25). Just the barrel(conversion) and mags. What people don't understand is the extractor for the 40 is nothing more then a 9mm extractor with an extra 5degree cut to keep it from hitting the rim of the case because of the extra slide speed of the 40. The very first G22s all had 9mm extractors but Glock was getting to many chipped extractors. Glock did not re-invent the wheel when they went to 40 back in '90.... I have read of some that swapped the extractor because they were having problems. I have not experienced that yet....  |
If I'm thinking right, then if you started with a .40 extracter which is still sized for the same case head size as a 9mm but just has the extra taper, then you should be good to go for all three calibers. 40 case necked down = .357 Sig. .40 S&W case head is based on the dimensions of the 9mm case head. Right? |
Correct. The big difference is the width of the breech face. This seams to cause some failures to eject for some, from what I've read.
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I have a G33 and want to not only go the other way(.357 to .40) but also add another Glock to the collection. For those of you who want to shoot the .357 round, you'll love it. I have owned this gun for over 5 years and LOVE IT! I only draw back is the cost of the ammo. I've been mulling over buying another high cap pistol and want two guns that shoot the same ammo. From what I understand all you have to do is drop the new barrel in and your done. I need a little advise on purchasing a new .40 Glock. They have a few new models out and the fist post in this thread got me to thinking. What models do you own and what are the differences.? |
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Yes you just drop the barrel in. Mind you I have not done it yet but the only gray area for me is the mags. I think they will work. Everything I have read says you can not go to 9MM. The round will not chamber. I found the info by googling the conversion. How do you guys like your .40? Here's the link: glockstore.com/blog_detail/72_Convert_Your_Glock_357_40_Caliber_and_Vice |
NO! Do not put a factory 9mm barrel in a 40 caliber gun. The barrel diameter is different. You will need a conversion barrel as stated earlier. Mags are a non issue, use the correct mag for the caliber. You can use 40 mags in a 357SIG and vice versa, but I like to keep mags caliber specific.
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That is part of the problem with "Lenny(I want to be a porn star) Magill. He knows just enough to be REAL dangerous! |
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I think it's a no-go putting the 9mm barrel into a 40-cal slide, since the barrel diameter on the 9mm is not quite as wide. Also, the 40-barrel definitely does not slip into the 9mm slide, since it's too wide. I have taken the complete upper (slide, barrel and slide spring) off of my G35 and swapped it with my 17L and vice versa with no problems. Just remember to use the right ammo and mag. If you want to convert from one caliber to another, especially 40 to 9mm, the safest way to do it is to just swap out with a complete upper. |
As stated, the factory 9mm barrel is smaller in diameter then the .40 so a 9mm conversion barrel, is a barrel chambered in 9mm that the OD is the same as a .40. That way you can safely shoot 9mm out of a G32(pictured above) or G23 by swaping out the factory .357SIG(or 40) barrel with a 9mm conversion barrel and use factory 9mm(G19) mags.
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Yep, however some of the older 40 mags with older followers seam to(for some) have problems feeding ammo. The 357SIG mags feeding .40 should not be an issue...
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Call Lone Wolf for the barrel and mags. Conversion barrel link. |
| They seem to be out of the 9mm conversion for my 33.heThanks for the link. |
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Still on the hunt for mine. I have a 33 and all the barrels I've found will stick out about and inch past the slide. That's not cool. I want to make my little 33 avalible for my wife if she ever gets her CCW. If anyone can find one or has one they want to sell please post and let me know. |