P320 in 10mm

ladder13 · May 7, 2022

Hope the local discount cop shop gets one of these in soon enough to take a look.

I have nothing but metal 10s but never say never.

SIG SAUER 'Soft Launches' the New P320 XTEN 10mm Pistol - The Truth About Guns

Bill Lear · May 8, 2022

Dont' know why, the BEST 10mm ever made is the Glock 20 and subsequent G40 in 10mm! The second best 10mm ever made is the G29 which is more compact than most so-called, sub-compact 9mm handguns!
Since 10mm is about as powerful as you can go without adding a muzzle brake to the barrel to delay unlocking and reduce slide energy, the polymer framed 10mm models are the first, best choice in that you have upwards of 16 rounds of full power 10mm with 26 round spares if you feel the need.
At 700 fpe energy on average with performance ammo, the 10mm is very close in delivered ENERGY to the .44 magnum fired from a 4" or shorter barrel (not talking hand loads) The choice is 6 .44 slugs from a revolver smacking with around 750 fpe, or 16 slugs from the auto slamming home at 700 fpe (avg)! Some people call that a "no-brainer" but you never know these days.
The 10mm is a whopping 7/10ths of a millimeter smaller in diameter than a .44 slug, with slightly better sectional density in proper weight range.

I think the day of steel framed ANYTHING is pretty much done for any reason BUT bragging rights and the desire to own something different, or something more expensive than others might be able to afford.

Breakaway500 · May 8, 2022

While in a gun shop waiting for the transfer for a revolver..I handled a few Sig autoloaders.The only one that felt "good" in my hand and had a trigger I really liked was a Sig 320 with the flat trigger.Not needing any more 9mm ammo eaters I dismissed ownership of one. However..in 10mm..I may be tempted back..

ladder13 · May 8, 2022

Bill Lear said:
Dont' know why, the BEST 10mm ever made is the Glock 20 and subsequent G40 in 10mm! The second best 10mm ever made is the G29 which is more compact than most so-called, sub-compact 9mm handguns!
Since 10mm is about as powerful as you can go without adding a muzzle brake to the barrel to delay unlocking and reduce slide energy, the polymer framed 10mm models are the first, best choice in that you have upwards of 16 rounds of full power 10mm with 26 round spares if you feel the need.
At 700 fpe energy on average with performance ammo, the 10mm is very close in delivered ENERGY to the .44 magnum fired from a 4" or shorter barrel (not talking hand loads) The choice is 6 .44 slugs from a revolver smacking with around 750 fpe, or 16 slugs from the auto slamming home at 700 fpe (avg)! Some people call that a "no-brainer" but you never know these days.
The 10mm is a whopping 7/10ths of a millimeter smaller in diameter than a .44 slug, with slightly better sectional density in proper weight range.

I think the day of steel framed ANYTHING is pretty much done for any reason BUT bragging rights and the desire to own something different, or something more expensive than others might be able to afford.

I have ZERO use for Glocks, but thanks for your input.

AlHunt · May 8, 2022

ladder13 said:
I have ZERO use for Glocks.

Nor me, or any plastic framed gun. Yet I own a few.

It's a little like shopping at Wal-Mart. Not my first choice but economical and expedient until something better happens along.

On the other hand, there are people who love Glocks.

At least they're not competing with me for those 30 Super Carry guns!

10MM is on my wannahave list and I liked an old P250 I had so I'll be keeping an eye out for the Sig. You know, until something better comes along.

CH4 · May 8, 2022

I’ll definitely be checking out the 320 at the Annual NRA conference at the end of the month.Due to Covid, Sig wasn’t at SHOT.

I have many 10mm handguns, including a G29. It’s definitely a handful, especially with full power loads.

I am also not a Glock fanboy, but they get the job done and mags and accessories are still cheap. Sig mags, on the other hand are $$$.

M29since14 · May 8, 2022

I’ve always liked the idea of the 10mm, so naturally I’m interested when a new one comes along, and I don’t live in fear of the P320. So, if they happen to make one of those with a thumb safety and standard-height sights, I’ll take a serious look. In the meantime, the M&P 10mm is doing a good job for me, though I am not a fan of the co-witness sights. If somebody wanted to sell some standard-height replacement sights for the M&P 10mm, they’d find a market, I’ll bet!

old pipefitter · May 8, 2022

A SIG in 10mm that doesn't cost as much as a 220 Legion. Count me in. I own a Glock 20 but as soon as something different comes along so long to the Glock. I really dont care for the S&W models either

ladder13 · May 8, 2022

old pipefitter said:
A SIG in 10mm that doesn't cost as much as a 220 Legion. Count me in. I own a Glock 20 but as soon as something different comes along so long to the Glock. I really dont care for the S&W models either

The full size Smith, if I recall, has high sights for a suppressor. BUT, the barrel is not threaded, I think??

What up with dat?

M29since14 · May 8, 2022

I don’t think they are intended to be suppressor-height. They are intended to provide back-up function when the pistol is being used with a reflex sight. At least that is my understanding. In any case, I am not wild about them, but at least they do seem to work.

waffles · May 8, 2022

Don't think I'll be buying this one, and certainly won't be going with the new M&P 10mm, but it's always good to have more options on the market. I really, really like my Glock 20 but I know there are those that don't and I'm very much in favor of continuing this trend of just shipping every modern pistol with the option for mounting an optic, just like they've been doing with light rails for ages.

ladder13 · May 8, 2022

Glocks have awful grip angles, not interested, ever.

But this was never meant to be about them anyways.

Echo40 · May 8, 2022

Neat. It's a shame that it has taken so long for certain companies to jump on the 10mm Bandwagon as I was in the market for a 10mm Pistol back in 2020, but there was nothing on the market that really interested me, and what was on the market was virtually unobtainable, so I ended up going in a completely different direction. No regrets, but I think it's a shame because now I'm no longer in the market for one, yet so many interesting new opinions have come out.

Oh well, on the bright side, I can pretend to be a hipster and act all smug about the fact that I didn't get a 10mm Pistol because they're too mainstream, but got into .45 Super instead which is totally better on account of it being a bigger bullet and because it has "Super" in the name.

Nick B · May 8, 2022

I’m still waiting and dreaming for a full size USP in 10mm.

Echo40 · May 8, 2022

Nick B said:
I’m still waiting and dreaming for a full size USP in 10mm.

That's actually the very firearm which I purchased as an alternative to a 10mm Pistol.

The H&K USP45 can handle .45 Super right out of the box, and .45 Super is roughly on par with 10mm Auto, so you get the best of both worlds.

For a short time some years back there was a limited run of 10mm Conversion Barrels for the USP45 by some vendor or another which were supposedly top notch, but that was before I ever bought one, and I really don't see the point if it can already handle .45 Super unless you already own a 10mm Pistol and lots of ammo.

It would be nice if H&K would offer a USP10, but it's more likely that they'd make a 10mm Version of the Hk45 or perhaps even a whole new pistol altogether.

uncleted327 · May 10, 2022

OMG stop with the 10mm is a 44 Mag if/when BS. The 10mm at its absolute best is the equivalent of a good 357 Magnum. That's it, that's all it's ever been and all it'll ever be. It's not in the 44 Mags neighborhood and never will be, hell it's not even in the 41 Mags neighborhood. Just stop already.

M29since14 · May 10, 2022

uncleted327 said:
OMG stop with the 10mm is a 44 Mag if/when BS. The 10mm at its absolute best is the equivalent of a good 357 Magnum. That's it, that's all it's ever been and all it'll ever be. It's not in the 44 Mags neighborhood and never will be, hell it's not even in the 41 Mags neighborhood. Just stop already.

Amen, brother! A good .357 Magnum from a LONG barrel, maybe! Maybe you can do a 200 at 1150 FPS with a .357, but I’d think that’s about all. Certainly no sane 10mm ammo (that I would want to use in my guns) goes head-to-head with a .41 Magnum, much less a .44 Magnum.

These days the bear protection gun topic seems at the forefront with 10mm handgun discussions. I wonder about this stuff. I assume the points of 10mm-fascination for the bear people are: a lot of rounds in the gun, quicker follow-up shots, and enough power/penetration to get the bullet to the vital area (the brain).

I don’t live in bear country and I don’t pretend to know anything much about what actually stops a bear charge. I gather that none of the common handguns up to .44 Magnum are likely to reliably kill a big, determined bear quickly enough with body shots to save you… ? So, as a practical matter, how many precision aimed shots you can reasonably expect to get at a bear (brain area) before he’s got you - with any type of powerful handgun? Is 15-16 rounds crucial? Six not enough? In actual shootings, what has happened with the 10? Do victims often run a revolver dry before it’s over?

I don’t know any of this stuff but I am tired of the “10mm is basically a .41 Magnum in an autoloader” jibber-jabber that’s gone on for years. Anyone who understands numbers can see that it is not. A decent, but perfectly safe, load in a 6-inch .41 Magnum will best the 10 by 10% in bullet weight AND at least 20% in velocity. “Enthusiastic” loads in the .41 will do even better. Numbers is numbers!

Apologies to the OP for the drift. I’ll be interested to see the P320 in 10mm when it shows up at the local gunshop. With thumb safety and a bit rougher grip texture, I hope!

ladder13 · May 12, 2022

No apology needed ^^^^^. Thread drift, once frowned upon on the net, is the rule nowadays, not the exception.

Even thread drift after the initial post does not surprise me any longer.

jdlii · May 16, 2022

I jumped into the Sig Sauer P320 pool with both feet. After saturating myself with all of the pro's and con's of the MOS options, "Red dot" sights, suppressor height sights and co-witnessing capability I chose the P320 RXP with the Romeo 1.

To say I am pleased would be an understatement. My P320 is in 9mm because other calibers, including the formidable 10mm, were not available. Had it been, it would have been my first choice.

I am the current care giver of a Colt Delta Elite and a Mod. 610 with a 3.75" barrel. They are not, as one member has pointed out, equal to a .41 magnum and certainly not a .44 but, they are, surprise, surprise, a 10mm!

The P320 is, for me, extremely comfortable and accuracy, with my hand loaded 147gr. bullets, extremely accurate. Yes, the magazines are expensive but, you get what you pay for and cheapness of price does not equal the aggravation of inferior quality.

A P320 in 10mm is, to say the least, enticing!

M29since14 · May 17, 2022

The 10mm has needed a proper weapon to go with it since day one. I’m hoping the 320 in 10mm will be offered in an “M17” configuration with rougher grip texture similar to the M&P 2.0. If not, the M&P 10 4.6-inch thumb safety version offers a good alternative.

P320 in 10mm

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