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P320 10mm: Yay or Nay? Login/Join 
Member
Picture of OttoSig
posted
I've searched threads, read the stories of lemons, read so many articles and posts on other forums, I'm leaning toward the kinks not being worked out with the magazines.

I've heard a few times that lower grain hard cast doesn't feed well at all. And I have a good stash of 200 gr. from underwood so that would suck.

I picked up a G20 last year but I've always liked the P320 platform. So if you have experience can you simply tell me yay or nay for purchasing the X-ten?

I want to kinda do a double check that I'm not just seeing the negative reviews because they always get the most attention.

Question:
Yay or Nay on P320 X-ten?

Choices:
Yay
Nay

 





10 years to retirement! Just waiting!
 
Posts: 6718 | Location: Georgia | Registered: August 10, 2009Reply With QuoteReport This Post
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Call SIG’s Customer Service department and ask if you still have to load the magazines partway, invert and tap, until they are full, or some other song and dance moves.
If yes, laugh and hang up politely.
I’m sure you’re aware of all the problems and I experienced every one of them in the fall of 2022. Being told that loading strategy by the the lead CS rep was the final straw.
Traded it on a 10mm Legion
A cursory glance at various posts over recent time has not convinced me that things are golden. You’d have to compare early and recent firearms and magazines to see if an engineering change occurred. Which would be problematic, obviously.
 
Posts: 1114 | Location: Cary NC | Registered: July 18, 2011Reply With QuoteReport This Post
Jack of All Trades,
Master of Nothing
Picture of 2000Z-71
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I have both the original 5" version and the newer XComp. Extremely happy with both of them and they both feed 200gr Underwood hardcast loads without a problem. The only problem with feeding that I have experienced is with the 220gr hardcast from Underwood. The overall case length is too long for the magazines. They will fit and load, but the nose of the bullet interferes with the magazine catch since it is right up against the mag release notches in the magazine body.

They are heavy for a polymer framed pistol, but I think that's the price that one pays reliability in a 10mm. My 4" M&P 10mm is much lighter, but it has been an absolute turd for reliability.




My daughter can deflate your daughter's soccer ball.
 
Posts: 11923 | Location: Eagle River, AK | Registered: September 12, 2006Reply With QuoteReport This Post
Freethinker
Picture of sigfreund
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For those who like the 10mm, I am curious about your ammunition.

I was on the verge of getting a P320-XTEN until it dawned on me that I should check the ammunition availability question first. When I started doing that it became obvious that the power of most factory loadings is a far cry from what popular imagination about the cartridge would have us believe. One YouTuber in particular who regularly tests various cartridges and loads rants about that all the time, and I finally decided that I just need to maintain my proficiency with being able to fire a lot of 357 SIG rounds quickly and accurately if required.

Yes, there are a (very) few loadings from “boutique” manufacturers for the 10 mike mike that offer a significant step up from 40 S&W +P power levels (sort of), but how plentiful and commonly available are they? Can we really plan to train and practice with them regularly?

Some of this is admittedly based on uninformed assumptions, so what about it? If someone wants an autoloading pistol chambered for the cartridge with the idea of relying on it for large critter defense as well as defending against the most dangerous animal in the woods, does it really make any sense?

(And FWIW, I do have an old original S&W “Mountain” gun in 44 Magnum and some stout loads for the gun that were almost too much for me to fire 40 years ago. So I’m not looking at alternatives for a serious 10mm pistol.)




6.4/93.6
___________
“We are Americans …. Together we have resisted the trap of appeasement, cynicism, and isolation that gives temptation to tyrants.”
— George H. W. Bush
 
Posts: 47852 | Location: 10,150 Feet Above Sea Level in Colorado | Registered: April 04, 2002Reply With QuoteReport This Post
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quote:
Originally posted by sigfreund:
For those who like the 10mm, I am curious about your ammunition.

I was on the verge of getting a P320-XTEN until it dawned on me that I should check the ammunition availability question first. When I started doing that it became obvious that the power of most factory loadings is a far cry from what popular imagination about the cartridge would have us believe. One YouTuber in particular who regularly tests various cartridges and loads rants about that all the time, and I finally decided that I just need to maintain my proficiency with being able to fire a lot of 357 SIG rounds quickly and accurately if required.

Yes, there are a (very) few loadings from “boutique” manufacturers for the 10 mike mike that offer a significant step up from 40 S&W +P power levels (sort of), but how plentiful and commonly available are they? Can we really plan to train and practice with them regularly?

Some of this is admittedly based on uninformed assumptions, so what about it? If someone wants an autoloading pistol chambered for the cartridge with the idea of relying on it for large critter defense as well as defending against the most dangerous animal in the woods, does it really make any sense?

(And FWIW, I do have an old original S&W “Mountain” gun in 44 Magnum and some stout loads for the gun that were almost too much for me to fire 40 years ago. So I’m not looking at alternatives for a serious 10mm pistol.)


Get yourself a Dillon Precision progressive reloader and you can get the ammo you want. What I do. It’s the way to go.
 
Posts: 83 | Registered: April 05, 2013Reply With QuoteReport This Post
Jack of All Trades,
Master of Nothing
Picture of 2000Z-71
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I can speak to Alaska and not your location. 10mm is popular here. DoubleTap used be my goto for hot 10mm loads. But I have yet to find any one who carries it here. And we are limited to what retailers have as ammunition can't be ail ordered to Alaska.

Here I have access to Underwood and Buffalo Bore. Underwood has a variety of loads available from practice to self defense to hunting and they all seem to be loaded at original 10mm velocities. For defensive carry I typically use the 175gr. Winchester Siltertip load. I have access to it and it is loaded to true 10mm velocities.

There's a lot of other FMJ 10mm loads and they are on the weaker side. There's also hotter stuff like Nosler and Hornady Custom. Availability of ammo is not an issue.




My daughter can deflate your daughter's soccer ball.
 
Posts: 11923 | Location: Eagle River, AK | Registered: September 12, 2006Reply With QuoteReport This Post
Freethinker
Picture of sigfreund
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Thanks.
And I should have made clear that I am not interested in handloading, especially for such a limited use. I have dies and components for cartridges I do shoot, and yet have never used them.




6.4/93.6
___________
“We are Americans …. Together we have resisted the trap of appeasement, cynicism, and isolation that gives temptation to tyrants.”
— George H. W. Bush
 
Posts: 47852 | Location: 10,150 Feet Above Sea Level in Colorado | Registered: April 04, 2002Reply With QuoteReport This Post
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Picture of OttoSig
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Sigfreund,

I have cases of factory range ammo and cases of underwood hard cast. The two ends of the spectrum. I also have a 550b set up when I make my own brass so to speak.

I figure the singular cartridge offers a 357/38special type situation by itself.

If it was just for a handgun I would go with 9mm for simplicity, but since my PCC woods gun is 10mm (30 rounds) I figure my handgun should match, again, for simplicity.

ETA: my decisions are all based off my desire to retire to Montana. Where I feel the capacity, firearms form, and performance of 10mm is the best compromise over the 45/70 lever action or some other big game cartridge.





10 years to retirement! Just waiting!
 
Posts: 6718 | Location: Georgia | Registered: August 10, 2009Reply With QuoteReport This Post
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WA has a pretty good variety of 10mm ammo choices as well, although here the concern (for now) primarily revolves around black bear and not brown unless one is planning to traipse close to the Canadian border. Both Underwood and Doubletap can be harder to find locally, but Buffalo Bore and HSM seems to be plentiful enough (we sell BB). FMJ is fairly abundant in a variety of brands.

Prior to our state's 10rd mag limit going into effect, we sold quite a few of the X-TENs; never heard any negative reports back from customers. In fact all the feedback that we did get were very positive. Subsequently we brought in more that had neutered 10rd mags and again, no negative feedback other than the expected gripes about the dumbed-down capacity of the magazines. But that's one of many reasons why the good Lord created this place called Idaho.


-MG
 
Posts: 2268 | Location: The commie, rainy side of WA | Registered: April 19, 2020Reply With QuoteReport This Post
Prepared for the Worst, Providing the Best
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My buddy has the full-size and he loves it. We shot it quite a bit and have had no reliability problems. It even cycled 40 S&W just fine (not that I'd recommend doing that, but curiosity got the better of us).

I have been toying with the idea of a 10mm woods gun for a while now. It seems like it could be a viable alternative or supplement to my .357s and .44s in certain environments...a gun with more capacity, faster reloads, and easier to shoot quickly. Availability of "real 10mm Ammo is not a concern, because I handload.

Every time I handle a 10mm auto (with the exception of the M&P which has a whole host of other issues) though, it is just so heavy and bulky that I don't see myself realistically opting to carry it instead of my 329PD.
 
Posts: 9459 | Location: In the Cornfields | Registered: May 25, 2006Reply With QuoteReport This Post
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Picture of OttoSig
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I bought the Compact.

$750 brand new with 3 mags and a Romeo Pro 1, which I’ll probably move to the 9mm. Couldn’t beat the price.

I’m gonna sell the G20 to justify it, my finger rubs on the trigger guard and I just don’t care for the ergonomics. We’ll see how it does, I won’t have it for a few weeks since I’m having it shipped to Pensacola due to the standard capacity mags.

This message has been edited. Last edited by: OttoSig,





10 years to retirement! Just waiting!
 
Posts: 6718 | Location: Georgia | Registered: August 10, 2009Reply With QuoteReport This Post
Prepared for the Worst, Providing the Best
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Nice, that's a really good deal, especially with the optic. If you like the P320, you'll like the XTen.
 
Posts: 9459 | Location: In the Cornfields | Registered: May 25, 2006Reply With QuoteReport This Post
Bolt Thrower
Picture of Voshterkoff
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quote:
Originally posted by sigfreund:
I was on the verge of getting a P320-XTEN until it dawned on me that I should check the ammunition availability question first.


Underwood regularly runs significant discounts during holidays. It’s pretty easy to stock up on proper ammo. The worst brand I have come across is actually Federal, they really softly load their 10mm.
 
Posts: 10070 | Location: Woodinville, WA | Registered: March 30, 2004Reply With QuoteReport This Post
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I actually just bought one on Friday.
I put exactly 4 rounds of blazer brass through it.
Zero issues so far.

I've got some buffalo bore DG ammo arriving later this week as well as some hornady critical duty.

Will put a few rounds of each through it as they arrive.





This is where my signature goes.
 
Posts: 1574 | Location: Kernersville, NC | Registered: June 04, 2015Reply With QuoteReport This Post
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I returned to the 10mm back in 2020 after wearing out a Colt Delta Elite back in the late 1980's with several cases of the original Norma 200 Gr. FMJ and 170 Gr. JHP's.

I bought a Glock 20 Gen 4 and just never warmed up to it, changed the sights and a trigger job. I'll admit that I'm not a Glock guy but the ergos just don't work for me. It was reliable to be sure, it had no issues with any of the factory ammunition I put through it, including the 220 gr. Underwood & Buffalo Bore.

I've had no issues with my M&P 2.0 w/ a 4.6-inch barrel and my SIG P320 X-Ten w/ the 5-inch barrel has been flawless for the approx.2500 rounds I've put through to date.

No regrets with P320 X-Ten.

My 10 mm guns have replaced my large frame revolvers (M29/629 and M57 Mountain Gun) for wandering around the Blue Ridge of western NC, Eastern TN and SW Virginia.

StarchedCover
 
Posts: 189 | Location: The Blue Ridge Mountains of NC | Registered: October 29, 2010Reply With QuoteReport This Post
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Picture of Larry_K
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quote:
Originally posted by sigfreund:
For those who like the 10mm, I am curious about your ammunition.
<snipped>


Here in West TN there's not a LOT of choices on the local shelves, but one local range usually has s&b and Magtech in stock at all times. Magtech 180gr fmj is loaded to "legit" 10mm standards. And from the major manufacturers the Sig 180gr vcrown is a legit load and usually easy to find in stock at some major stores like BassPro.

My only REAL gripe about how a lot of manufacturers load way lighter than they should is that they're still charging full prices for what is in some cases only marginally hotter than their 40s&w offerings. I view the lighter loads almost like the relationship between 38spcl/357mag, I don't always HAVE to be firing off the hottest thing available. Just hate that they don't make the lighter loads any cheaper.


________________________
 
Posts: 1298 | Location: West Tennessee | Registered: August 30, 2002Reply With QuoteReport This Post
Cogito Ergo Sum
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My P320 X-Ten has worked flawlessly. While my Kimber 10mm GFO has struggled with some brands like Federal, the X-Ten has no problem. I really like it. Yes, it’s a tad bulky but it works and has become my nightstand gun. I reload cause 10mm in this neck of the woods is pricey.
 
Posts: 5792 | Registered: August 01, 2002Reply With QuoteReport This Post
Bolt Thrower
Picture of Voshterkoff
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quote:
Originally posted by Larry_K:
Magtech 180gr fmj is loaded to "legit" 10mm standards.


Regarding box advertised velocities, I stick with Magtech and Underwood (when on sale) 180gr for practice. Although honestly practice with a similar 9mm provides cheap repetitions.

quote:
Originally posted by k5blazer:
While my Kimber 10mm GFO has struggled with some brands like Federal


Federal 180gr has a box velocity of 1030fps. Mag tech is 1230fps. Failures with .40s&w strength ammo in a gun sprung for 10mm isn’t surprising.
 
Posts: 10070 | Location: Woodinville, WA | Registered: March 30, 2004Reply With QuoteReport This Post
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Thanks guys,

I’ve got a stash of 10mm already from previously owning a few P220-10s and the Mk-10.

I also have the P320 9mm that I figure would be cheap practice like V said. Will be exactly the same trigger. I’ll still get some time behind the recoil of 10mm but I think it’s a good plan.





10 years to retirement! Just waiting!
 
Posts: 6718 | Location: Georgia | Registered: August 10, 2009Reply With QuoteReport This Post
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Some people might prefer the 'feel' of the P320 over a Glock, but the modularity of the P320 was the original distinguishing feature. Is a 10mm P320 modular?
 
Posts: 490 | Location: Shenandoah Valley | Registered: February 15, 2011Reply With QuoteReport This Post
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