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P365 Suppressed?

This is a discussion on P365 Suppressed? within the P365 forums, part of the SIG Sauer Pistols category; Has anyone ran their P365 suppressed? I am looking for something that is short, but still hearing safe. I want to be able to use ...


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Old 12-12-2019, 09:21 AM   #1
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P365 Suppressed?

Has anyone ran their P365 suppressed? I am looking for something that is short, but still hearing safe. I want to be able to use it for home protection without damaging my ears, and the dogs. Just looking for first hand knowledge from people that have ran one suppressed.

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Old 12-12-2019, 11:38 AM   #2
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Just my opinion but any suppressor I put on a home defense gun would be on a full size handgun and .45 cal just due to its subsonic velocity which would minimize the report.
I also think it would also balance better.
Soft loading 9mm would work but a .45 makes a bigger hole and holds 13 rounds in the mag.
Thinking about getting one for my XDm.
My 2Ę
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Old 12-12-2019, 01:00 PM   #3
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There is no reason you couldn't run one suppressed, although you might probably need a different weight recoil spring assembly depending on what loads you run through it.

There are a lot of reasons why a P365 is a 'sub-optimal' platform for a suppressor. Everything from the caliber of the cartridge to the size of the pistol is really going to be working against you.

The P365's strong suit is being tiny and even the smallest suppressors are going about double the length of the pistol.

Going from 7.3 inches(g19) in overall length vs 5.8 (P365) when stuffed in your pants makes a difference. But as soon as you slap a 6+ inch suppressor on it, going between 13.3 inches and 11.8 inches isn't going to have much practical difference...

And so now you have this honkin' big pistol with a suppressor on the end and you have to hold it up using the teenie tiny grips that the P365 has.

But hey... I'm an advocate of doing what ya want and sometimes 'sub-optimal' still is plenty good at getting the job done... If the P365 is the pistol you want to use then suit yourself, but if "money were no consideration" very few people would organically end up with a suppressed p365 as their home defense weapon of choice.
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Old 12-12-2019, 01:09 PM   #4
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Hearing safe and compact? Not likely.
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Old 12-12-2019, 02:41 PM   #5
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Quote:
Originally Posted by Angry Hippo View Post
There is no reason you couldn't run one suppressed, although you might probably need a different weight recoil spring assembly depending on what loads you run through it.



There are a lot of reasons why a P365 is a 'sub-optimal' platform for a suppressor. Everything from the caliber of the cartridge to the size of the pistol is really going to be working against you.



The P365's strong suit is being tiny and even the smallest suppressors are going about double the length of the pistol.



Going from 7.3 inches(g19) in overall length vs 5.8 (P365) when stuffed in your pants makes a difference. But as soon as you slap a 6+ inch suppressor on it, going between 13.3 inches and 11.8 inches isn't going to have much practical difference...



And so now you have this honkin' big pistol with a suppressor on the end and you have to hold it up using the teenie tiny grips that the P365 has.



But hey... I'm an advocate of doing what ya want and sometimes 'sub-optimal' still is plenty good at getting the job done... If the P365 is the pistol you want to use then suit yourself, but if "money were no consideration" very few people would organically end up with a suppressed p365 as their home defense weapon of choice.
I would carry without the suppressor. The suppressor would be used for home defense.

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Old 12-12-2019, 03:18 PM   #6
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Yeah, no experience with suppressed subcompacts here, and wouldn't suggest P365 as a great host. I can understand the benefit a threaded barrel's additional length and higher velocity could provide though. Also, subsonic 9mm's lethality isn't impressive...


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Old 12-12-2019, 04:37 PM   #7
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I haven't bought a threaded barrel for my 365 because I haven't found one with the 13.5x1 lefthand thread that all my other threaded barrels have. I find shooting suppressed hugely amusing but not enough to invest in the cost of the barrel and piston for what would just be a range toy. I carry the 365 in my pocket because it's tiny and I keep a 320RX Compact with a light by the bedside. In a home defense situation you probably aren't going to have time to thread on the can so if you're going to have a suppressed home defense gun, realistically you would have a dedicated gun and a dedicated can...IMHO
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Old 12-12-2019, 07:30 PM   #8
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P365 Suppressed

[QUOTE=mtbbrewer74;5167410]Has anyone ran their P365 suppressed? I am looking for something that is short, but still hearing safe. I want to be able to use it for home protection without damaging my ears, and the dogs. Just looking for first hand knowledge from people that have ran one suppressed.

Hit and miss results when shooting suppressed.

Silencerco Omega 9K:
10x Winchester 147 GR. SUBSONIC ó 1x Failure to Feed (Flat Point issue), 3x Failures to return to battery
40x American Eagle 147 GR. - 6x Failure to return to battery, 5x Failures to Feed (Flat Point issue)
30x Browning BPT 147 GR - 8x Failure to return to battery, 4x Failures to Feed
10x Speer Lawman 147 GR. - 2x Failures to return to battery, 3x Failures to Feed
10x Winchester Train 147 GR. - 2x Failures to return to battery
10x Federal 115 GR. - 1x Failure to return to battery


Omega 9K and Dead Air Wolf 9SD in the short configuration (didnít have a breakdown on the exact can/ammo issues):
50 rounds of Winchester Train 147 GR.
23 rounds of Winchester 147 GR. SUBSONIC
5 rounds of Fiocchi 158 GR.

13x failures to return to battery
3x failures to lock back (on the last round in the magazine)
2x failures to feed (flat nose/point ammo issue)


DPM came out with their reduction system kit but I had to move to Hawaii so I wasnít able to see if that would solve the issues when shooting suppressed.

I posted a few videos in some of the P365 FB groups to show how quiet it was shooting suppressed as well as the issues the stock RSA had with the cans I own.
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Old 12-12-2019, 08:39 PM   #9
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That might not run 100% but it will kill them with style points. That looks so sharp with the short can.
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Old 12-14-2019, 06:38 AM   #10
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[quote=Wkw2288;5168048]
Quote:
Originally Posted by mtbbrewer74 View Post
Has anyone ran their P365 suppressed? I am looking for something that is short, but still hearing safe. I want to be able to use it for home protection without damaging my ears, and the dogs. Just looking for first hand knowledge from people that have ran one suppressed.

Hit and miss results when shooting suppressed.

Silencerco Omega 9K:
10x Winchester 147 GR. SUBSONIC Ė 1x Failure to Feed (Flat Point issue), 3x Failures to return to battery
40x American Eagle 147 GR. - 6x Failure to return to battery, 5x Failures to Feed (Flat Point issue)
30x Browning BPT 147 GR - 8x Failure to return to battery, 4x Failures to Feed
10x Speer Lawman 147 GR. - 2x Failures to return to battery, 3x Failures to Feed
10x Winchester Train 147 GR. - 2x Failures to return to battery
10x Federal 115 GR. - 1x Failure to return to battery


Omega 9K and Dead Air Wolf 9SD in the short configuration (didnít have a breakdown on the exact can/ammo issues):
50 rounds of Winchester Train 147 GR.
23 rounds of Winchester 147 GR. SUBSONIC
5 rounds of Fiocchi 158 GR.

13x failures to return to battery
3x failures to lock back (on the last round in the magazine)
2x failures to feed (flat nose/point ammo issue)


DPM came out with their reduction system kit but I had to move to Hawaii so I wasnít able to see if that would solve the issues when shooting suppressed.

I posted a few videos in some of the P365 FB groups to show how quiet it was shooting suppressed as well as the issues the stock RSA had with the cans I own.
Very nice setup.
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Old 12-14-2019, 10:25 AM   #11
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So do most people believe a suppressed 9mm is not powerful enough to do the job? If so should I be considering a 45 suppressed for home invaders? If I go with a 45 does it need to be a full size, or can it be small like the Shield?

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Old 12-14-2019, 12:05 PM   #12
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The problem with 9mm through a suppressor for self defense purposes is that many/most self defense 9mm loads are supersonic (IE, break the sound barrier) or very close to it. Breaking the sound barrier creates a very loud crack/pop, of course.

In order to really 'quiet' the round down you must slow the projectile down below the speed of sound... which works against the 9mm. It's power comes from it speed. If you slow it down then it's just slow and small.

The .45 caliber projectile is generally going to be loaded closer to 800-900FPS which is already subsonic - meaning you don't need to artificially handicap the velocity to obtain safe sound levels.

Basically you're going to have to use a SLOW projectile.. why not use the one that's slow but 60+% larger?

Now to your question... is "sub-sonic 9mm powerful enough to do the job?" Probably... A subsonic 9mm is going to probably be somewhere around the territory of a .380ACP. Most people acknowledge that a .380 is likely to get the job done but it's a little lacking especially if shooting at distances or through barriers. Lethal? Absolutely! Best choice? eh.... probably not.

If you were looking at a .45 cal pistol for suppressed use you could use a smaller compact pistol like the shield if you wanted... but again sub-optimal... I mean if it's the only .45 pistol you have then it makes sense... but if you're considering buying a pistol to fill this niche you'd probably be far better off with a full size pistol in the 4.25-5 inch range.

You generally make several concessions in grip size, barrel length and capacity when you select a compact weapon model, yet a weapon with a suppressor is never going to be compact... which then one must ask... why make the concessions required of a small pistol at all?

If I were looking for a platform for a suppressed home defense weapon I'd be looking at things like the FN-45 TAC, Walther PPQ45, Glock21, Sig P220/227. Big, beefy pistols.

My personal philosophy when it comes to home defense handguns is get the biggest one you can find. Save the petite small guns for concealed carry. If the thing is just going to be sitting on your nighstand or in a safe 99% of the time it doesn't matter how big OR heavy that sucker is.

Last edited by Angry Hippo; 12-14-2019 at 12:11 PM.
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Old 12-14-2019, 06:02 PM   #13
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Quote:
Originally Posted by mtbbrewer74 View Post
Has anyone ran their P365 suppressed? I am looking for something that is short, but still hearing safe. I want to be able to use it for home protection without damaging my ears, and the dogs. Just looking for first hand knowledge from people that have ran one suppressed.

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Howdy mtbbrewer,

There is at least ONE guy on YouTube who thinks this is a good idea:


I have to agree with others that 45ACP is a much better candidate for a suppressed pistol.

Regards,

Dave
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Last edited by vin-clothor; 12-14-2019 at 06:04 PM.
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Old 12-14-2019, 06:39 PM   #14
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Quote:
Originally Posted by Angry Hippo View Post
The problem with 9mm through a suppressor for self defense purposes is that many/most self defense 9mm loads are supersonic (IE, break the sound barrier) or very close to it. Breaking the sound barrier creates a very loud crack/pop, of course.

In order to really 'quiet' the round down you must slow the projectile down below the speed of sound... which works against the 9mm. It's power comes from it speed. If you slow it down then it's just slow and small.

The .45 caliber projectile is generally going to be loaded closer to 800-900FPS which is already subsonic - meaning you don't need to artificially handicap the velocity to obtain safe sound levels.

Basically you're going to have to use a SLOW projectile.. why not use the one that's slow but 60+% larger?

Now to your question... is "sub-sonic 9mm powerful enough to do the job?" Probably... A subsonic 9mm is going to probably be somewhere around the territory of a .380ACP. Most people acknowledge that a .380 is likely to get the job done but it's a little lacking especially if shooting at distances or through barriers. Lethal? Absolutely! Best choice? eh.... probably not.

If you were looking at a .45 cal pistol for suppressed use you could use a smaller compact pistol like the shield if you wanted... but again sub-optimal... I mean if it's the only .45 pistol you have then it makes sense... but if you're considering buying a pistol to fill this niche you'd probably be far better off with a full size pistol in the 4.25-5 inch range.

You generally make several concessions in grip size, barrel length and capacity when you select a compact weapon model, yet a weapon with a suppressor is never going to be compact... which then one must ask... why make the concessions required of a small pistol at all?

If I were looking for a platform for a suppressed home defense weapon I'd be looking at things like the FN-45 TAC, Walther PPQ45, Glock21, Sig P220/227. Big, beefy pistols.

My personal philosophy when it comes to home defense handguns is get the biggest one you can find. Save the petite small guns for concealed carry. If the thing is just going to be sitting on your nighstand or in a safe 99% of the time it doesn't matter how big OR heavy that sucker is.
I think if you watch ballistic tests of self defense ammo out of short barrels you would see that they perform pretty well and I for one would not want to get hit with one. Subsonic is certainly quieter than supersonic suppressed but even 115 grain is not deafening by any stretch, even with the first round pop. All that being said, I leave my 365 in my pocket and keep a bigger gun with a light on it by the bed, not because I'm concerned about muzzle velocity but because it's easier to shoot and has a light on it.
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Old 12-14-2019, 08:58 PM   #15
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Hearing safe and compact? Not likely.
Agree. Usually stuff like the Omega 9k doesn't meter as hearing safe, so anything smaller won't either. Not to mention you won't be able to see the sights. Don't know of anyone making 365 suppressor sights.
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