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1/22/2020 12:12:56 PM
Posted: 11/20/2012 2:25:30 PM EST
I already have a P226 in 9mm, and I love it.
I found a nice P226 in 357. The deal included three factory Sig mags, Sig holster, and box.

I ran a mag thru the P226 before I purchased it.
This was the first firearm I've ever fired in 357 Sig. It shoots extremely well - a bit lower than my usual aim.

Anyone have any general thoughts on the Sig 357 round?
I know that ammo is more expensive.

A few specific questions:
- What is the history of this 357 round?
- Anything I should look out for in this configuration?
- If I wanted to change my P226 357 into a 40 cal, is it as easy as swapping the barrel?
- What's the resale price/market on these 357 models? Lower than 9mm prices?
Link Posted: 11/20/2012 2:31:17 PM EST
I have several pistols in 357sig

I love the caliber.


Yep a barrel swap is all you need.
Resale is typically about the same as 40
Link Posted: 11/20/2012 2:32:49 PM EST
[Last Edit: 11/20/2012 2:38:02 PM EST by bluetick357]
It's an awesome caliber IMO,with the right loads of course.ETA..people will tell you that 9mm +p+ is roughly the same..it isn't.
Link Posted: 11/20/2012 2:40:36 PM EST
I love my P226 in .357Sig

It is a very stout recoiling round and mine has fired everything i have fed it, and yes all you need to do is swap the barrel to shot .40 in the sig they use the same mags so you are gtg
Link Posted: 11/20/2012 2:43:01 PM EST
I have a gen3 32C, love that gun. It was a police trade in, no idea on rd count, but I can honestly say I have never had any sort of malfunction with it. Not only is the gun reliable, but it amplifies my average pistol accuracy.

Been saving my brass to reload. Factory ammo is a bit pricey compared to 9mm.
With the price of factory ammo, one .357 sig is enough for me. Once I accumulate ~1000 cases to reload, I may think of another pistol... too expensive to shoot two pistols until that time.
Link Posted: 11/20/2012 2:46:27 PM EST
I converted my Glock .40 to a .357 and haven't looked back.

Link Posted: 11/20/2012 2:47:34 PM EST
Originally Posted By cchurchi:
I converted my Glock .40 to a .357 and haven't looked back.

http://imageshack.us/a/img837/3605/dsc03696j.jpg


Link Posted: 11/20/2012 2:48:30 PM EST


I wanted a 357Sig USPC but could only find 40 so I bought a USPC 40 and later a 357Sig barrel.

Until I pick up a USP 40 my 357Sig barrel will be a back-up caliber.

Link Posted: 11/20/2012 3:13:32 PM EST
IF you reload you can really unlock the caliber
Link Posted: 11/20/2012 3:18:23 PM EST
Originally Posted By Star_Scream:
IF you reload you can really unlock the caliber


I'm thinking of trying this.

Is it a good idea to push hot reloads through a glock?

I just purchased 2000 rounds of factory ammo. I think they are 125 grain and are chronoing at 1370 FPS.

What kind of speeds are you getting with your reloads?
Link Posted: 11/20/2012 3:24:45 PM EST
nope
Link Posted: 11/20/2012 3:28:09 PM EST
Originally Posted By cchurchi:
Originally Posted By Star_Scream:
IF you reload you can really unlock the caliber


I'm thinking of trying this.

Is it a good idea to push hot reloads through a glock?

I just purchased 2000 rounds of factory ammo. I think they are 125 grain and are chronoing at 1370 FPS.

What kind of speeds are you getting with your reloads?


We've broken 1400 fps with blue dot and aa#9 using some pretty stout loadings. We've tuned them down a little but still run hot and they are accurate fun on pins and plates and slap the shit out of steel.

They were originally tested in 226's but the glock shot them fine I did think about getting a LW barrel though.


Were getting 357sig 1911s that should turn out some sexy numbers.
Link Posted: 11/20/2012 3:32:46 PM EST
If I'm remembering correctly, Remington 125's were going 1300 FPS, Winchester white box 125's were 1350 FPS, and I believe the ultramax 125's were 1370, but I need to recheck.

I'm using a Wolf conversion barrel that is slightly longer, maybe 1/10".
Link Posted: 11/20/2012 3:39:01 PM EST
Check out underwood ammo for maximum pressure loads. TNoutdoors9 has a video I believe.
Link Posted: 11/20/2012 3:40:36 PM EST
357SIG is like 26 inch rims...... No one needs them, They dont do anything better, theyre just different, and some folks like to be different.
Link Posted: 11/20/2012 3:43:08 PM EST
[Last Edit: 11/20/2012 3:43:59 PM EST by maggiethecat]
It's my favorite. A friend is a die hard 45 guy. But his faith is shaken when he looks at test results.

P229 is my preferred platform. I think the caliber is too snappy for Glock.
Link Posted: 11/20/2012 3:45:14 PM EST
Originally Posted By Fullpower:
357SIG is like 26 inch rims...... No one needs them, They dont do anything better, theyre just different, and some folks like to be different.


Well, it shoots flatter than the .40 it replaced and I'm more accurate with it.

I typically shoot a 12" steel plate at 100 yards while standing (yes I know that is not impressive), but my hit rate is much higher with .357 sig than it is with either .40 or .45.
Link Posted: 11/20/2012 3:45:26 PM EST
It is my favorite as well. It is so much fun to shoot. Speer GDHP 125.
Link Posted: 11/20/2012 3:54:51 PM EST
an Mp5 in .357 sig would be nice
Link Posted: 11/20/2012 3:57:38 PM EST
Pretty much the flatest shooting pistol round you will find that is comercially available. Its expensive and a 9mm +p gold dot 124 grain is similar (but not equal). If you run the gold dot 125 grain load, it is as close toa 357 magnum as you can get in a semi auto. I carry it in both the SIG and the Glock and its a great round. Much more accurate than a 9 or a 40.
Link Posted: 11/20/2012 4:09:38 PM EST
Originally Posted By cytotox:
an Mp5 in .357 sig would be nice


Is there not a 10mm mp5 already?
Link Posted: 11/20/2012 4:18:22 PM EST

Originally Posted By cchurchi:
Originally Posted By Fullpower:
357SIG is like 26 inch rims...... No one needs them, They dont do anything better, theyre just different, and some folks like to be different.

Well, it shoots flatter than the .40 it replaced and I'm more accurate with it.

I typically shoot a 12" steel plate at 100 yards while standing (yes I know that is not impressive), but my hit rate is much higher with .357 sig than it is with either .40 or .45.
Wow. I'm impressed. With my eyesight, I'm not certain that I could even SEE a plate at 100 yards!
Link Posted: 11/20/2012 4:20:22 PM EST
.357 sig has a place.... it definitely offers something many other calibers & loads dont... in a package size that is good for carry.
Link Posted: 11/20/2012 4:23:16 PM EST
Carrying one all this week. Glock 33

Own several other pistols in .357 Sig.

H&K USP Compact
H&K P2000SK

love the round

Link Posted: 11/20/2012 4:24:26 PM EST
Nope... Thousands of members here and not a single one likes .357 Sig. You are the only one in twenty years to use this round..........
Link Posted: 11/20/2012 4:28:07 PM EST
Originally Posted By cchurchi:
Originally Posted By Star_Scream:
IF you reload you can really unlock the caliber


I'm thinking of trying this.

Is it a good idea to push hot reloads through a glock?

I just purchased 2000 rounds of factory ammo. I think they are 125 grain and are chronoing at 1370 FPS.

What kind of speeds are you getting with your reloads?



Glock 32 here....I've yet to use a factory round except for carry and I carry Speer Gold Dots.

Blue Dot is the best powder....

If you own a .357 I recommend reloading because those rounds are really expensive.

Link Posted: 11/20/2012 4:30:10 PM EST
Originally Posted By Badlatitude:
Nope... Thousands of members here and not a single one likes .357 Sig. You are the only one in twenty years to use this round..........


Bad l attitude
Link Posted: 11/20/2012 4:31:40 PM EST
I would love to try it at some point
Link Posted: 11/20/2012 4:33:07 PM EST
Originally Posted By maleante:
Originally Posted By cytotox:
an Mp5 in .357 sig would be nice


Is there not a 10mm mp5 already?


http://en.wikipedia.org/wiki/Heckler_%26_Koch_MP5#Larger_caliber_versions

MP5/10, or alternatly the MP10 (as many folks just go with that designation, even though H UND K doesn't like it and called it the MP5/10):

http://www.hkpro.com/index.php?Itemid=5&catid=9:the-submachine-guns&id=90:mp510-a-40-series&option=com_content&view=article
Link Posted: 11/20/2012 5:53:21 PM EST
[Last Edit: 11/20/2012 5:55:51 PM EST by Banshee35]
I liked it when it was the 38 super...maybe you've heard of it?

or 9X23 is even better
Link Posted: 11/20/2012 9:50:40 PM EST
Anybody here rocking a Lone Wolf .357 sig bbl in their Glock 23?

I got one recently, and wondering if there are certain loads it likes.

Anybody? Bueller? Bueller?

I'd love to hear your experiences before I run out and buy a few ammo cans worth. I suppose I could just go buy 50 round boxes
to try out, but why reinvent the wheel?
Link Posted: 11/21/2012 3:20:33 AM EST
Originally Posted By burkeva:
Pretty much the flatest shooting pistol round you will find that is comercially available. Its expensive and a 9mm +p gold dot 124 grain is similar (but not equal). If you run the gold dot 125 grain load, it is as close toa 357 magnum as you can get in a semi auto. I carry it in both the SIG and the Glock and its a great round. Much more accurate than a 9 or a 40.


yeah, the extra 100 fps over a gold dot 124+p turns it into a real death ray. the reduced capacity and more expensive ammo is another big plus.
Link Posted: 11/21/2012 3:37:42 AM EST
Originally Posted By Star_Scream:
IF you reload you can really unlock the caliber


I want to try out some .355 90 grn solid copper round nose bullets in the .357 sig but I don't have any dies yet. If it works it will be legal AP ammo capable of penetrating soft armor. AP pistol ammo isn't of much use unless you're a criminal but it's still fun to do things the government doesn't want you doing by finding loop holes in the law.
Link Posted: 11/21/2012 3:39:53 AM EST
Go to tn9outdoors ammo test videos and look at the .357sig. It's impressive.
Link Posted: 11/21/2012 3:45:35 AM EST

I'm a big fan of the cartridge. My Glock 32C is my primary CCW pistol.


Link Posted: 11/21/2012 3:57:10 AM EST
Originally Posted By bco175:
Originally Posted By burkeva:
Pretty much the flatest shooting pistol round you will find that is comercially available. Its expensive and a 9mm +p gold dot 124 grain is similar (but not equal). If you run the gold dot 125 grain load, it is as close toa 357 magnum as you can get in a semi auto. I carry it in both the SIG and the Glock and its a great round. Much more accurate than a 9 or a 40.


yeah, the extra 100 fps over a gold dot 124+p turns it into a real death ray. the reduced capacity and more expensive ammo is another big plus.


100 fps at pistol velocity is a major increase.

124 grn bullet at 1300 fps = 465 ft/lbs
124 grn bullet at 1400 fps = 540 ft/lbs

That is an 8% increase in velocity and a 16% increase in muzzle energy.
The 75 ft/lbs increase in muzzle energy is really put in perspective when you look at the muzzle energy of the .25acp. The .25acp only has 65 ft/lbs of energy at the muzzle.
Link Posted: 11/21/2012 3:59:35 AM EST
Sig 226 great gun!

Link Posted: 11/21/2012 4:14:59 AM EST
Originally Posted By scottedward58:
Originally Posted By bco175:
Originally Posted By burkeva:
Pretty much the flatest shooting pistol round you will find that is comercially available. Its expensive and a 9mm +p gold dot 124 grain is similar (but not equal). If you run the gold dot 125 grain load, it is as close toa 357 magnum as you can get in a semi auto. I carry it in both the SIG and the Glock and its a great round. Much more accurate than a 9 or a 40.


yeah, the extra 100 fps over a gold dot 124+p turns it into a real death ray. the reduced capacity and more expensive ammo is another big plus.


100 fps at pistol velocity is a major increase.

124 grn bullet at 1300 fps = 465 ft/lbs
124 grn bullet at 1400 fps = 540 ft/lbs

That is an 8% increase in velocity and a 16% increase in muzzle energy.
The 75 ft/lbs increase in muzzle energy is really put in perspective when you look at the muzzle energy of the .25acp. The .25acp only has 65 ft/lbs of energy at the muzzle.

Muzzle energy and velocity don't mean a lot if the terminal ballistics aren't there. You will get the SAME terminal ballistics with a 9mm and a .357 sig, as they are the same sized bullet moving at a roughly similar velocity (which they do, 100 fps is jack shit in the grand scheme of things).

I've had 2 .357sigs and I just cannot see the benefit to the round. It's a lower capacity 9mm for all intents and purposes, the added speed is not terribly valuable in two-legged critter defense as the 9mm already has a tendency to over-penetrate if it doesn't expand properly.

Now where I do see it useful would be in hunting, but there are plenty of great revolver cartridges to fill that niche already.
Link Posted: 11/21/2012 4:25:54 AM EST
I have a Glock 31c - I love the caliber just not the price of ammo. I bought a LW .40 barrel and mostly shoot 40 cal. If you can stomach the price of .357 sig ammo by all means go for it!
Link Posted: 11/21/2012 5:46:30 AM EST
Originally Posted By cytotox:
an Mp5 in .357 sig would be nice


Or an AR.
Link Posted: 11/21/2012 5:49:24 AM EST
How does it compare to 7.62x25?
Link Posted: 11/21/2012 6:28:04 AM EST
The .357 sig shines in its ability to penetrate. Self defense situations aren't always cut & dried face on shootings. A few extra inches of penetration, especially in winter carry... is worth a few less rounds in the magazine.

I have no problem carrying a model 19 with 6 .357 mags in the cylinder for the same reasons... and did for years. The round is about as good as it gets for self defense, in many situations.

This bullet weight, at these velocities, has been a proven load for decades.

Its simply a modern version, in semi auto package, with more ammo, of the .357 magnum with "good" loads (not the underloaded target ammo crap most are shooting these days).
Link Posted: 11/21/2012 7:54:41 AM EST
[Last Edit: 11/21/2012 8:11:31 AM EST by AndyHk93M4]
I love the round & have a sig 229

However, in recent years, with the improvement of +p ammo expansion performance such as the CorBon DPX, (my favorite. self defense ammo), I now find myself carrying my sig 9mm just as often due to the higher ammo capacity & reduced recoil.... (19 rounds).
For many years I was convinced that 9mm had shit ballistics and wouldn't own one but since they came out with CorBon DPX I changed my mind and went out and bought a sig x5 9mm.

I just wish .357 sig ammo hadn't gotten so expensive in recent years

i don't understand why sig .357 seems to be less popular these days


Link Posted: 11/21/2012 8:07:37 AM EST
Originally Posted By scottedward58:
Originally Posted By bco175:
Originally Posted By burkeva:
Pretty much the flatest shooting pistol round you will find that is comercially available. Its expensive and a 9mm +p gold dot 124 grain is similar (but not equal). If you run the gold dot 125 grain load, it is as close toa 357 magnum as you can get in a semi auto. I carry it in both the SIG and the Glock and its a great round. Much more accurate than a 9 or a 40.


yeah, the extra 100 fps over a gold dot 124+p turns it into a real death ray. the reduced capacity and more expensive ammo is another big plus.


100 fps at pistol velocity is a major increase.

124 grn bullet at 1300 fps = 465 ft/lbs
124 grn bullet at 1400 fps = 540 ft/lbs

That is an 8% increase in velocity and a 16% increase in muzzle energy.
The 75 ft/lbs increase in muzzle energy is really put in perspective when you look at the muzzle energy of the .25acp. The .25acp only has 65 ft/lbs of energy at the muzzle.


I lost faith in you when you started talking muzzle energy. Do some research on the subject. You,re saying it makes a difference if I put the same diameter hole in someone, but the projectile is moving faster and penetrates roughly the same. I'd like to see real world proof of that - not math problem proof.

There are too many variables to say if it is more effective than 9mm+p. What I can guarantee is effective is this - if you are out of ammo and I have 2 rounds left because I'm shooting 9 mm, the odds of me winning have improved. I'll take that guarantee over the hypothesis that the same sized hole drilled a little deeper might help. If you hit the CNS, 9, 40,45,357, 50 BMG aint gonna matter.
Link Posted: 11/21/2012 8:21:54 AM EST
Originally Posted By burkeva:
Pretty much the flatest shooting pistol round you will find that is comercially available. Its expensive and a 9mm +p gold dot 124 grain is similar (but not equal). If you run the gold dot 125 grain load, it is as close toa 357 magnum as you can get in a semi auto. I carry it in both the SIG and the Glock and its a great round. Much more accurate than a 9 or a 40.


Not to sh*t on your parade, but I guess you have not heard of Coonan? A semi-auto that chambers and shoots real .357mag.

Link Posted: 11/21/2012 8:26:25 AM EST
If you just want to add another caliber for shits and giggles, then rock on. If you are looking at dumping one caliber completely to switch to something "better" then I personally think its a waste of money.

But hey, it's not my money.
Link Posted: 11/21/2012 8:56:26 AM EST
Originally Posted By NordicRX8:
Originally Posted By burkeva:
Pretty much the flatest shooting pistol round you will find that is comercially available. Its expensive and a 9mm +p gold dot 124 grain is similar (but not equal). If you run the gold dot 125 grain load, it is as close toa 357 magnum as you can get in a semi auto. I carry it in both the SIG and the Glock and its a great round. Much more accurate than a 9 or a 40.


Not to sh*t on your parade, but I guess you have not heard of Coonan? A semi-auto that chambers and shoots real .357mag.



I'd take my sigs over a coonan any day and 87 times on Thursday and I love 1911s but the coonan is a beast to hold and very finicky about feeding.

A 10mm has lots of overlap with the 357mag.

Link Posted: 11/21/2012 11:37:35 AM EST
Originally Posted By beve:
Check out underwood ammo for maximum pressure loads. TNoutdoors9 has a video I believe.


I doubt if they are max pressure,but they do average around 1500 fps for the 125 grn gold dot load out of my 229 which is awfully impressive..357 Sig seems to suffer the same problem as 10mm as it's usually watered down in most factory ammo.I spend a lot of time in the mountains as well as the city,I kind of look at it as a do all pistol round.
Link Posted: 11/21/2012 1:11:37 PM EST
[Last Edit: 11/21/2012 1:12:52 PM EST by BDA]
Originally Posted By bco175:
Originally Posted By scottedward58:
Originally Posted By bco175:
Originally Posted By burkeva:
Pretty much the flatest shooting pistol round you will find that is comercially available. Its expensive and a 9mm +p gold dot 124 grain is similar (but not equal). If you run the gold dot 125 grain load, it is as close toa 357 magnum as you can get in a semi auto. I carry it in both the SIG and the Glock and its a great round. Much more accurate than a 9 or a 40.


yeah, the extra 100 fps over a gold dot 124+p turns it into a real death ray. the reduced capacity and more expensive ammo is another big plus.


100 fps at pistol velocity is a major increase.

124 grn bullet at 1300 fps = 465 ft/lbs
124 grn bullet at 1400 fps = 540 ft/lbs

That is an 8% increase in velocity and a 16% increase in muzzle energy.
The 75 ft/lbs increase in muzzle energy is really put in perspective when you look at the muzzle energy of the .25acp. The .25acp only has 65 ft/lbs of energy at the muzzle.


I lost faith in you when you started talking muzzle energy. Do some research on the subject. You,re saying it makes a difference if I put the same diameter hole in someone, but the projectile is moving faster and penetrates roughly the same. I'd like to see real world proof of that - not math problem proof.

There are too many variables to say if it is more effective than 9mm+p. What I can guarantee is effective is this - if you are out of ammo and I have 2 rounds left because I'm shooting 9 mm, the odds of me winning have improved. I'll take that guarantee over the hypothesis that the same sized hole drilled a little deeper might help. If you hit the CNS, 9, 40,45,357, 50 BMG aint gonna matter.



If you've fired all your hi cap 9mm (fine round as well by the way), and are down to your last two rounds... and there is still a fight going on with the guy you been shooting at, I think you have more issues than caliber. If it was me you were shooting at.. I'd have swapped mags by now to.


I can think of plenty of reasons to want more penetration... especially when depending on a handgun. Its not like some fantasy scenario where bad guys stand facing you and give you a perfect shot. Cover.. cars... arms & thick clothing.... urban landscapes give plenty of obstacles to a bullet than needs penetration to work. No matter how you cut it.... a .357 mag or .357 sig have that ability, moreso than a +p 9mm.

If you dont like it... or can't handle the recoil and still make hits... chose something else. But that doesn't equate to the .357 sig somehow being a waste... just not your cup o tea.
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