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Discussion in 'Glock Forum' started by glock19c, Nov 10, 2013.
On a gen3 27 can you shoot 357sig? If you change barrels ?
Yes you can.
The .357 Sig is nothing more than a .40 necked down to 9mm. Any .40 caliber pistol can be converted to .357 Sig and visa versa. Lone Wolf, and others make conversion barrels.
In fact, Glock .40 pistols can take 9mm conversion barrels also.
The G-20 (10mm) can be converted to 9mm, .357 Sig, .38 Super, .40 S&W and 9 X 25. Pop a G-21 slide on it (and change out magazines) it can shoot .45 ACP, .400 CorBon, .40 Super and (for those who dare) .460 Rowland.
I apologize but I'm a new Glock owner, and I have a question or two about this. I will have a G23 soon. If you swap barrels, does anything else have to change? I would be very interested in a 9mm conversion from the stock .40. What will that entail? And, again, being a new Glock owner, are magazines all the same size for the frame sizes? In other words, all compact frames are compatible with all magazines for the compact frame?
So, a 9mm conversion would be the barrel and a new magazine? Do I have that right?
Glock only acknowledges the use of a Glock 32 barrel in a Glock 23 to convert it to .357 Sig. However many of us push that along a bit further than that.
As a concealed carry or personal defence firearm, you should leave a Glock stock, imho and save tinkering with barrels for the range.
I pretty much have every conversion barrel there is except .50
With the exception of caliber, would you say the Gen 3 Glock 27 and Gen 3 Glock 33 are identical in every way? I'm talking about grip angle, grip size, and general ergonomics. I love my G27, and for the most part I feel it would be difficult for me to miss with it, but I hate my G23. There's nothing wrong with the 23, but it's different. It doesn't feel "right" to me.
Keeping that in mind, I have a desire to switch to the .357 Sig, but if the G33 isn't the same fit as the G27 I would prefer just swapping barrels and keeping the perfect fit the G27 gives me.
That is exactly my intention. But what parts are required? The barrel, mags? Anything else?
As a Glock armorer (New enough my wall decoration has not arrived yet) I am hesitant to give advice on rocking a Glock. I don't do it to mine (except simple barrel swaps) and I don't do it to guns brought to me.
We have a thread here, where a poster shows what can happen when you push parts replacement.
I would say, find a local Glock armorer and go visit him with your unloaded pistol. He can advise you in person how to stay safe, and have fun with your Glock.
I'm not sure why nobody has hit this one out of the park...
1) Glock 23 and 32 are EXACTLY the same (as are the 31/22 and 27/33) except for the number on the side of the slide. Even the mags are exactly the same except for 357 instead of 40.
2) You don't even need a "conversion" barrel. There is nothing to convert. You can use an OEM Glock barrel of the other caliber to switch from 40 to 357. Thus, but a GLOCK barrel for a G32 and you can put it right into your G23, using the exact same magazines, extractors, ejectors, recoil springs, everything. Easiest "conversion" to make.
And concerning sound levels, I started a thread on this very issue:
What? Huh? In the ear...
I have since decided to use a 45acp as my bedside gun. Not because of the caliber, but because of the decibel level. That's also why I'd never touch off a 357Sig in my house!
Not to test anyone's patience, but please bear with me as I am very new to Glock. I don't want to convert a 23 to a 357sig, I want to convert to 9mm. Does what you said still apply? All I would need is a barrel and a magazine?
You would need an aftermarket conversion barrel but yes. I've had pretty good luck with 40 mags with 9mm but it's better to just get one
The .40 and the .357 Sig have the same case head dimensions and OAL so they are very easy to convert using just a barrel. Magazines are EXACTLY the same.
Converting from .40 (or .357 Sig) to 9mm is a little more problematic. The case head is different, but Glock (and S&W) use an extractor configuration that works with both (99% of the time). A barrel swap is the most expensive part. Some have good luck with the .40 mags feeding the smaller 9mm round. Some have some hiccups. Best to use 9mm specific mags.
With my 10mm to 9mm conversion I have found the 10mm mags work pretty well. I just cannot load the mag to full capacity. I down load by 2 and they work fine. There are no large frame mags for the 9mm.
Some people also switch out the extractor to make sure it pulls out the empty 9mm shell cases. If you do this, which isn't necessary, but may increase dependability, you switch the extractor (to a Lone Wolf LCI 9mm model, which has a marking making it easier to identify $7) and a spring-loaded bearing (Glock OEM is fine, also from Lone Wolf $3). You can keep the spring in there and the plunger, since those are the same for 9mm/40/357.
These changes take a few minutes to convert and are not necessary. But if you plan to keep it a 9mm for longer periods of time and not just a range session, you may want to do this for only $10 and 10 minutes.
Let's say for example, you have a G23 that you intend to convert...
357sig- You can spend $120 on a Lone Wolf 357sig (G32) barrel and you're done.
9mm- You should not simply buy a G19 barrel. Rather, you want a G23 40-9 'conversion' barrel. Basically, things don't quite line up laterally without it. The G19 and 40-9 barrels cost the same, so you may as well take care to get it right. For the most part, 40sw/357sig mags will feed 9mm flawlessly. But adding some G19 mags would be ideal.