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SIG P320 Review and Price

A Comprehensive Guide

SIG P320 Review
SIG P320 logo - ballachy

From $ 500

The SIG Sauer P320 is one of the most popular handguns in the world today because it’s durable, accurate, and reliable. If you are interested in learning more about this gun, this review is for you. In this SIG P320 review, we will discuss all of the features and benefits of the SIG P320 and a price point for this weapon. The SIG P320 is a full-sized handgun made by SIG Sauer. The gun received positive reviews from many sources after its release in 2014, and for a good reason. It’s small, lightweight, durable, and easy to use with just one hand. It also has an accessory rail that allows users to attach accessories like lights or lasers.

Table of Contents

This gun, the P320, meets military standards for durability. The grip of the gun is designed to feel more like a natural extension of your hand. The SIG Sauer P320 is available in both full-size and carry sizes. The full-size gun has a longer barrel, making it more accurate at longer distances. There are numerous features and benefits of the SIG P320, but we will explore a few of them.

Features of SIG P320

Grip and Textures

The grip and textures of the SIG P320 were designed with ergonomics in mind.  The grip of the gun is designed to fit easily into any size hand. The firearm was created with small, medium, and large-sized hands in mind. Another feature of this gun’s ergonomics is the modular backstrap system that comes standard on every new SIG Sauer P320 purchased. This system allows users to customize their grip. The textured surfaces help keep the gun firmly planted in your hand when firing. The texturing on the grip also allows the user to easily and quickly draw the weapon from a holster. This allows you to get accurate shots quickly and easily.

SIG P320 Grip and Textures

Accessory Rail

The accessory rail on the SIG P320 allows users to attach various accessories, including lights and lasers. This is a great feature for those who want to use the gun for home defense. The rail also allows you to mount a scope on the gun, making it perfect for use in shooting competitions or hunting.

Trigger Mechanism 

The trigger mechanism on the SIG P320 is also worth mentioning. The gun uses a striker-fired system that is incredibly fast and easy to use. This means that there is no need to rack the slide before firing. This also makes the SIG P320 easier to use for those unfamiliar with firearms. The trigger pull is smooth and can be adjusted like many other handguns to make it even better for your needs. The trigger pull is consistent and predictable. This makes the gun easy to shoot for anyone, regardless of their experience level.

SIG P320 Trigger Mechanism


The SIG Sauer P320 is available in 9mm and .45 auto. This means that the user can choose the calibration that works best for their needs. The 9mm is great for personal protection, while the .45 auto caliber is perfect for hunting. The higher calibers are better suited to long-range shooting competitions, but they are also more expensive.

SIG P320 Caliber


The sights on the SIG P320 allow you to quickly and easily acquire your target during a firefight, whether it is at close or long-range. The front sight sits high above the handle and is made of steel with a white outline around it for improved accuracy and visibility. The rear sight sits on an adjustable surface. The sights can be easily adjusted using a special tool.

SIG P320 Sights

Slide Stop Mechanism

The slide stop on the SIG P320 is designed to make reloading easier, even in stressful situations. This allows you to replace magazines when necessary quickly. The slide stop also acts as a decocking mechanism, which reduces the gun’s overall weight and makes it easier to handle.

SIG P320 Slide Stop Mechanism


The aesthetics of the SIG P320 are also worth noting. The gun has a modern and sleek design that can be easily carried and concealed. The pistol weighs just 25.8 oz, making it very light and easy to manage. The SIG Sauer P320 comes in several different colors. This allows users to choose the color that fits their personality best while also making the gun suitable for use in any scenario.

SIG P320 Aesthetics

Size and Dimensions

The SIG P320 is a full-sized handgun that measures 7.2 inches in length, 5.3 inches in height, and 1.3 inches in width. This makes it the perfect size for those who want a compact gun. It weighs around 26 oz. The SIG P320 is available in both full-size and compact models. The full-size model is larger and has a longer barrel, while the compact model has a shorter barrel. 

Line of Sight

The line of sight on the SIG Sauer P320 is designed for easy aiming. This allows users to get a secure shot quickly and easily.

Trigger Distance and Safety

The trigger distance on the SIG Sauer P320 is short, allowing users to shoot quickly. This can also increase your chances of firing an accidental shot if you are not used to shooting a gun with a shorter trigger pull. The safety on the SIG P320 is a manual thumb safety that can easily be engaged or disengaged with your thumb. The gun also has an internal safety feature that prevents it from firing when dropped.

SIG P320 Trigger Distance and Safety

Advantages of SIG P320


The accuracy of the SIG P320 is one of its best features. It comes standard with an extended lightweight metal suppressor, which helps to make it even more accurate than other handguns in its class. The SIG Sauer P320 has a 3.9-inch barrel, which means that it can be fired with accuracy even at long ranges, allowing you to take your target out efficiently. The SIG P320 can achieve a high degree of accuracy even when fired rapidly. This makes it an ideal weapon for those who need to shoot accurately in a hurry.


The SIG Sauer P320 is also incredibly reliable. It has been tested extensively and has proven to function in even the most difficult situations.


The recoil-resistant system on this gun was specifically designed to reduce overall recoil, even when firing high-caliber bullets. This means that the user does not have to use as much force to keep the gun on target, making it easier to shoot accurately.


A wide variety of safeties are available with this handgun. This includes thumb safety, grip safety, and an internal firing pin block. This ensures that the firearm remains safe at all times.

Price Range

The price range for this handgun is slightly higher than average. However, it is still more affordable than other types of handguns in its class.


The SIG Sauer P320 comes in several finishes, including black and coyote tan. The finish on the gun is designed to protect it from normal wear and tear and make cleaning easier.


The SIG P320 is relatively easy to maintain. It only requires minimal cleaning and lubrication to keep it functioning properly.

Use by Law Enforcement

Several law enforcement agencies are currently using the SIG P320 throughout the United States. This is due to its high level of accuracy and reliability.

Disadvantages of SIG P320

Trigger Distance

The trigger distance on the SIG Sauer P320 is relatively short. This can make it difficult for users to get used to, especially if they are unfamiliar with guns with shorter trigger pulls.

Availability of Parts/Supplies

Compared to other handguns, the availability of parts and supplies for this gun is significantly lower. It may be difficult to find certain parts for the SIG P320, especially if they are made specifically for that gun.

Ammunition Capacity

The ammunition capacity for the SIG Sauer P320 is lower than some other handguns in its class. It can hold up to 15 rounds at a time, while many other handguns hold up to 17 rounds.

Aftermarket Accessories - SIG P320 Review and Price

The aftermarket accessories for the SIG P320 is small. Most of the supplies available are basic options that will not significantly impact your overall gun performance.

Laser Sights

The SIG P320 can accommodate a variety of laser sights. Look for one specifically designed for this gun to ensure compatibility. Most other laser sights will not fit, so be sure to check before purchasing.


The SIG P320 is also compatible with several optics. This includes red dot sights, holographic sights, and scopes. Again, be sure to check the optic compatibility you are looking to purchase before making your final decision.

Magazine Pouch

A magazine pouch is a basic option for the gun. It can be used to carry extra ammunition, although this will have to attach to a belt or be placed in a pocket for safekeeping.


A flashlight can be added to this handgun if desired. However, limited options will work with this kind of gun, so finding the right flashlight may be difficult.


The sights are factory installed on this gun so that no aftermarket parts can replace them. If you need replacements, you will have to purchase new pistols altogether.


Grips are the popular accessory for the SIG P320. They can alter your shooting experience by giving you more control over your gun, making it easier to hit your target.


There are limited options for holsters that work with the SIG Sauer P320. Most standard holsters will not be compatible, so finding a holster for this gun may be difficult.

BLACKHAWK Serpa CQC  Right Hand Concealment Holster

Looking for a holster to carry your SIG P320 Full Size/Compact 9mm/.40? The BLACKHAWK Serpa CQC Right Hand Concealment Holster is the perfect option. The Serpa CQC Concealment Holster from Blackhawk is an extremely popular product. Many users cite durability and reliability as a major selling point, with many also praising its comfort. It’s made with high-quality materials and is extremely durable, so you can rely on it to keep your pistol safe and secure. It’s available in black so that it will match all of your gear. It’s made to fit both models, i.e., SIG P250 and P320, and it’s extremely well-made and durable. You can’t go wrong with this holster. However, keep in mind that it’s not for sub-compact pistols.


What is the magazine capacity for this gun?

The standard capacity for the SIG Sauer P320 is 10 rounds, making it easier to carry concealed. You may also buy extended magazines that hold up to 15 rounds at a time.

Where are parts and accessories available for this gun?

Parts and accessories for the SIG Sauer P320 are usually available through gun shops. However, they can sometimes be difficult to find online.

What kind of ammunition does this gun use?

This gun uses a 9mm Luger caliber, a standard round used with many handguns.

What type of sights are installed on the SIG P320?

The sights are standard three-dot contrast sights that are factory installed on the gun. They are not replaceable.

Can a flashlight be attached to this handgun?

Yes, a flashlight can be attached to this gun. However, there are limited options that will work with this kind of gun.

If you are looking for more best options you may take a round in Sig Sauer pistols: Sig P320 X5 Legion, Sig P320 X Carry and Sig P320 X Compact.


The SIG P320 is an effective and affordable model of handgun. It has a durable, lightweight design that makes it easy to carry and use. However, the magazine capacity is limited, which may mean you need to buy additional magazines for backup. Additionally, there are limited aftermarket parts and accessories available. Thank you for taking the time to read SIG P320 Price and Review. If you have any questions or comments, please feel free to share. We always enjoy hearing from our readers.

Our Research Process

Our curated list of products has been provided to you by our experienced team of researchers and writers at Ballachy who have tested and scrutinized product recommendations on the market. Our experience in the field, in-depth research and hands-on approach has allowed us to objectively analyse products for years and continuously providing value for buyers who are looking to get accurate and unbiased reviews. If you would like to know more about our research methods, we welcome you to visit our page here detailing how our recommendations are done. Furthermore, as we are always looking keep our guides updated and welcome any feedback from readers regarding different experiences or recommendations to adjust our list. If you consider that we have missed on some important recommendations, please let us know here, so we can add-on any valuable feedback.

Author Profile

Gabriel Tackett
Gabriel Tackett is an experienced shooter and hunter for over 15 years with a degree in Engineering from the University of Minnesota. He is also a certified National Rifle Association (NRA) officer for 10 years And his passion lies in teaching others how to safely enjoy the hobby by recommending the best practices & products in the gun industry.