Sig P320 Vs P365

Specification Comparison and Reviews

Sig P320


Sig P365

Sig P320 Vs P365

Specification Comparison and Reviews

In this article, We review the Sig P320 vs P365. For this article, We will compare two of the most popular single stack 9mm pistols on the market today, the sig p320 and the new Sig Sauer P365. Both of these pistols are very similar in size to fit all shooters. 

Table of Contents

However, there are many differences between these two pistols that can give you great insight into which pistol is right for you. The p365 is Sig’s answer to the pocket pistol market; its sub-compact design is very similar to many large handguns. However, it has more firepower than some of the full-sized pistols on the market today. This article will give you an idea of how these two pistols stack up against each other.

Features of Sig P320 Vs P365

Grip and Textures

Both pistols have an extremely similar grip. They both have a very smooth surface that reduces the risk of slippage in wet conditions but are also very grippy in any dry condition. The p320 has multiple backstraps so that you can find the perfect size for your hand. However, this is not possible on the P365 due to its compact design. I would recommend trying the P365 in a gun shop before purchasing if you have very large hands. The p320 is equipped with a textured polymer grip that is very comfortable and assists with recoil management.


The new P365 comes with a brand-new grip surface that they call “stability chassis”. This gripping surface is very comfortable and even more grippy than the p320s. It has a slightly rougher texture than the p320 but is still very comfortable. This may be a matter of personal preference, but I like the feel of the P365s grip better. Both pistols come with 3 different interchangeable backstraps, and all three work very well on both guns. When holding, the p320 is slightly thicker in your hand, but it’s still very thin for a standard-sized 9mm pistol.

Sig P320 Vs P365 Grip and Textures

Size and Dimensions

The Sig Sauer P365 is a very small pistol. The size of the gun can be deceiving, as it looks larger than many other subcompact pistols on the market because of its design. The gun is very slim and easy to conceal. It can fit in any pocket that a smartphone could fit into, but you will notice the weight of the pistol more than carrying it in your pockets. The Sig Sauer P320 has a much larger frame and fits all people better than the p365 does. It comes with interchangeable backstraps so that you can find the perfect fit for your hand.


This is not possible on the P365 due to its shorter frame. The p320 also has a slightly longer barrel, giving you better accuracy for shooting at further distances. The length of the P365 is 5.8″ compared to the 7.2″ length of the p320. The height of the p365 is 4.1″ compared to the 5.3″ height of the p320. The width of the P365 is 1.0″ compared to the 1.3″ width of the P320. The weight of these two pistols, however, is very different. The Sig Sauer P320 weighs 25.8 ounces with an empty magazine. The Sig Sauer P365 weighs 17.8 ounces with an empty magazine.

Sig P320 Vs P365 Size and Dimensions

Stopping Power

Both pistols come with excellent stopping power. The sig p320 can be equipped with a 10 and 15 round magazine, and the sig p365 can be equipped with a 10 magazine. These magazines make both pistols have an excellent capacity for stopping power. Both guns have great ergonomics that allow you to shoot accurately at great distances. The p365 does have the advantage of having a longer barrel than the P320, which gives you greater accuracy at further distances. This can be a real advantage when you are shooting at longer distances.

Safety Features

Both pistols come with excellent safety features. They both have an internal locking system that the gun’s operator can only disengage. This prevents anyone else from accidentally firing the gun when it is in your pocket or a bag, etc. They both have a safety feature that will only allow the gun to fire when you pull the trigger, and they also come with an ambidextrous magazine release. The only real difference between these two pistols safety-wise is that the P365 has no external manual safety lever.


The p365 does not have an external manual safety; instead, it has a built-in automatic firing pin and drop safety. This makes it just as safe as the P320, but some people may prefer the manual safety feature of the p320. Both guns also have a great firing pin block that prevents any type of accidental discharge which could occur if the pistol were to be dropped on a hard surface, etc.

Sig P320 Vs P365 Safety Features

Slide Stop and Magazine Release

The slide stop and magazine release on both pistols are easy to use and very reliable. They both have a slight resistance, making them difficult for anyone else but the gun’s owner​ to deactivate. Both guns come with double and single action modes, but the p320 has a slightly longer trigger pull than the P365, which means it has a lighter trigger pull than the p365 due to its design.

Both pistols have an easy release for the slide, and they both come with a great magazine release that can be quickly accessed by your thumb or index finger. You can easily drop empty magazines without having to look at the gun.

Sig P320 Vs P365 Slide Stop and Magazine Release


The Sig Sauer P320 comes with some great three-dot contrast sights. These sights can be used by all shooters regardless of their hand size and strength. They offer a great quick acquisition on target, which is beneficial for self-defense situations. 

Sig P320 Vs P365 Sight 1

The Sig Sauer P365 has FT Bullseye that is great for quick acquisition and accuracy, but the dots on this rear sight are not as easy to see. This can be more difficult for some people than the three-dot sights on the P320.

Sig P320 Vs P365 Sight

Trigger Mechanism

The P320 comes with a double-action only trigger mechanism. It has a 6.5-pound trigger pull which can be difficult for some people to get used to, but it is very safe. The P365 also has a double-action only trigger pull, and a 6.5 pounds trigger pull. It does have a slightly longer trigger pull than the P320, which is to be expected because of the design.

Sig P320 Vs P365 Trigger Mechanism 1

Both triggers are long and smooth, and they both come with an audible reset. It can sometimes take practice to master these triggers if you haven’t used anything like them before. If you can master them, though, you will find that they are very accurate, smooth, and quick to use.

Sig P320 Vs P365 Trigger Mechanism

Recoil and Muzzle Flip

The P320 has a little bit more muzzle flip than the P365. The increase of recoil on the p365 is due to its slightly shorter barrel length, and it also comes with some great textured grips that help reduce this for most shooters. Both of these guns have pretty significant recoil and muzzle flip, but they offer a low bore axis, making them easier to control. If you practice and master either one of these pistols, you can shoot them both very accurately, even during quick successive shots. These pistols have a low bore axis, and they come with an interchangeable grip accessory. The textured grip on the p365 is better suited for keeping your hand from sliding up on the slide, leading to some bad safety issues.


The P365 can fit in a much smaller holster because it is roughly one and a half inches shorter than the p320. This makes it great for concealment, but you might have some trouble finding holsters for this gun that are compatible with your belt size. Both guns come with accessories like interchangeable grips and different grip sizes, making them great for people with different hand sizes. Both of these guns are easy to conceal, but the P365 is slightly easier to conceal. It has a shorter barrel length and smaller magazine capacity than the P320, making it better suited for deep concealment if you are looking for a pistol.


The P320 comes with a polygonal rifling that makes it very reliable. It also has an excellent drop test rating, and it comes with all the proper safety mechanisms to ensure you can trust your gun to fire when you need it to. Both guns are pretty reliable, but the Sig Sauer P365 is more likely not to fire when you need it to. The Sig Sauer P365 comes with a DAO trigger, which can sometimes lead to misfires if the action is not properly timed. Both of these guns are safe and reliable for sure. Still, the p320 might be better suited for people who have experience shooting self-defense pistols due to its higher reliability rating.


The P320 has a great durability rating, and it can also handle any type of self-defense ammunition you want to feed it. Both guns have similar durability ratings overall. They are both made of lightweight polymer materials, so they won’t corrode or rust unless they get extremely wet. The p365 doesn’t have any big issues that will cause you to need to replace it right away, but the p320 is a more durable gun. If you are looking for a pistol that can survive under harsh conditions, then the P320 would probably be your best bet.

After Market Accessories - Sig P320 Vs P365

People buy the P320 for its design and aftermarket options. You can easily find accessories like an extended magazine, a threaded barrel, and laser sights for this gun. Some aftermarket accessories to consider: holsters (especially if you plan on carrying the gun), laser sights, suppressors/silencers, and magazines that hold more rounds than what is included with the gun.


You can get an aftermarket sight for either of the guns, but the p320 has more reliable sights. The P365 uses a notch and post-style rear sight, but it is really thin, sometimes making sighting or using it for tactical purposes difficult. You can replace the sight with any type of aftermarket sight that you are comfortable with. There are various sights available for both guns, like night sights and fiber optic sights. You can choose between different types of sights depending on your preference and what you feel comfortable with. Fiber optic sights are great for low light situations, but you can also get night sights to improve your visibility.


The P320 has an aftermarket laser sight that you can attach to the frame. The p365 uses a laser integrated into the trigger itself, which could be seen as good and bad. Depending on what you prefer, you can choose to use either an aftermarket laser or have one of these guns come with a laser from the factory. Laser sights are not necessary for either of these guns because they have great factory sights that are reliable in low-light situations. Laser sights just give you an advantage if you plan on using your gun for tactical purposes or personal defense.


The P320 comes with a standard-sized grip, which is great for people who have larger hands. Both of these guns come with small grips out of the box, but there are aftermarket options available, so you can choose to buy an extended grip if you want one. Each of these guns is comfortable for most people without an aftermarket grip, so there isn’t any advantage here in terms of the quality of the grip you get with these guns.

Magazine Pouches

The Sig P320 has fewer aftermarket magazine pouches available, so finding compatible ones with this gun will be easier. If you have a P365 or want to carry more rounds on your body, you can get an extra magazine pouch to put more magazines in so they are easy to access when needed. The Sig P365 is compatible with most standard-sized magazines, so it doesn’t matter whether you have extended or compact magazines when it comes to getting an extra pouch. These are the main parts of the gun that you can switch out, but there are many other variations available depending on what brand and style of aftermarket part that you want to get for your gun. You’ll have to decide what you want to use for each of these parts if you plan on switching them out, but it is really up to the user whether they choose to do this or not.


The Sig Sauer P320 comes with a proprietary rail compatible with various holsters made for the gun. You can get holsters designed to fit this specific gun, making it easier to use your firearm in times of need. The p365 uses a normal rail system, but it also has an ambidextrous slide release so that you can use it with some standard holsters designed for various Glock models. The p320 comes with a holster made by the manufacturer out of the box, so you shouldn’t need to buy one if you want to carry your gun around in public. The P365 is compatible with many different holsters already available on the market, so you can choose to carry your gun in any way that suits you. If you want flexibility with the holster your gun comes with, or if you don’t like the included holster, go ahead and buy an aftermarket one for whichever of these guns you have.

Pole Craft Sig P320 Holster

The Pole Craft Sig P320 IWB holster is made out of Kydex. It has adjustable cant and retention, as well as an adjustable ride height. This allows the user to customize the fit for their body type, clothing preferences, and level of concealment needed. The belt clips are also fully adjustable for ride depth and cant angle. The holster is designed for the Sig P320 but will also fit other pistols that are similar in size, such as the M&P Shield. It has a 1.5-inch standard belt clip which allows it to be worn on any belt up to 1.75 inches wide. This holster also comes with a lifetime warranty from Pole Craft so that you can buy it with confidence.


It depends on what you’re looking for in a gun. Each of these guns has its pros and cons, so it depends on an individual user’s preferences as to which one is better.

The Sig P320 is a perfect concealed carry weapon because it is small, compact, lightweight, and powerful, so you’ll have a firearm that is easy to conceal and carry anywhere.

Yes, you can use P320 magazines in your p365 because they are very similar to each other.

Yes, the Sig P365 is modular like the p320. Both of these guns have interchangeable grip modules, and you can switch out the caliber by switching out the barrels and magazines.


There are many different things that you can do to make your Sig P320 vs P365 easier to use. You’ll be able to find plenty of aftermarket parts for each gun, but you’ll have to decide which ones are most important for your situation. If you want something more comfortable to hold, getting a new grip would be your best bet. If you want to carry more ammunition, then an extra magazine pouch is the way to go. The options are endless when it comes to how you can customize your p320 or p365 so that they become the perfect gun for you.

Author Profile

Gabriel Tackett
Double major in Engineering and Geology at the University of Minnesota. Experienced shooter & hunter for over 15 years. Certified NRA officer for over 10 years working as a writer at .

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