SIG Sauer P320 vs Glock 19

Today, handguns are the standard weapons of the army and police. They are also the most common type of arms for self-defense, since the distance for effective firing from the most powerful pistol is only short to medium range.

There are semi-automatic handguns on the market. With these, you get great shots without manual effort. But, if you were thinking automatic, you might ask yourself, do you really need to fire 1,200 shots per minute?

Examples of such self-loading semi-automatics are the SIG Sauer P320 and the Glock 19. So, let’s check out our SIG Sauer P320 vs Glock 19 review to find out which of these is best for you.

Head to head, they look similar, and both are popular options for concealed carry. But, let’s take a closer look at their individual features to make an informed decision as to which one would be perfect for you?

SIG Sauer P320 vs Glock 19

SIG Sauer P320 Overview

The SIG Sauer P320 is a joint development of SAN Swiss Arms (Switzerland, formerly SIG Arms) and JP Sauer and Sohn (Germany). Both of these companies are part of the international arms concern SIGARMS, producing weapons under the brand name SIG Sauer.

The SIG P320 pistol was originally developed for a relatively promising 9 × 19 mm Parabellum. However, changes between 9 mm at .357 Sig or .40 S and W and vice versa are achieved using a gauge conversion kit.

The P320 is an upgraded version of the SIG Sauer P250.

In 2017, it was announced that a customized version of the SIG Sauer P320 had won the United States Army XM17 Weapon Competition System. It, therefore, gained approval for use by the United States military.

This gun is adopted by the Texas Department for Public Safety and a number of other law enforcement services in the United States and other countries.

Glock 19 Overview

The Glock 19 is a semi-automatic pistol designed and manufactured since 1988 by Glock for the military and police forces. It is the equivalent of the Glock 17, but in a compact version. It is considered one of the best semi-automatic guns currently available, because of its robustness, reliability, and ease of use.

All G19 models sold since 1998 have a carcass equipped with a molded accessory rail and an anatomical handle. There has also been a model equipped with a compensator, the G19C, since 1996.

In 2010, appeared the fourth generation G19 (G19 Gen 4) equipped with an interchangeable butt back (3 sizes).

There is also the G19 Gen 3 in its version with RTF2 handle (Rough Textured Frame second generation) composed of a multitude of spikes evenly distributed, giving it a grip above the standard models, which is popular among sports shooters.

Glock 19x

In 2017 Glock produced the fifth generation Glock 19 equipped with a new GMB match (Glock Marksman Barrel) with improved polygonal stripes. That same year also saw The Glock 19X with the stock of Glock 17 (then equipped with a strap) and receiving a loader of 17 original shots: the weight of the G19X loaded is 890g.

SIG Sauer P320 vs Glock 19

SIG Sauer P320 Details

Created on the basis of being a staff gun of the US Army, the SIG Sauer P320/P320 Compact has been available since 2017. These military models are known as the M17/M18 Modular Handgun System (MHS). Indeed, SIG Sauer P320 stands out among its competitors with its unique modular nature and adaptability.

Talking about being modular and making it a reality are two different things. And SIG Sauer USA did a great job on this. The sports gun SIG Sauer P320 X-Five is based on the same technical solutions as the US Armed Forces M17.

SIG Sauer P320 Modular Pistol: Features

For a full-size version of the gun, you can get it with a store for 14 rounds. The caliber of these cartridges – .40 Smith & Wesson. In addition, you can use the “native” caliber .357 SIG. There is also the possibility of changing the magazine to a 17 cartridge version, which uses 9 × 19mm ammunition.

For those who plan to use an extremely compact version of such weapons, the developers recommend the use of magazines for 13 or 15 rounds of caliber .40, .357 or 9 mm. The nine-millimeter version of the caliber uses a magazine for 15 rounds.

To equip the P320 with additional accessories, the Picatinny rail is used. It can be used to integrate optical aiming systems, tactical flashlights, and other technical devices to the pistol. The frame of the gun is such that it can be replaced by any other from the corresponding family.

The pistol grip can also be changed. The pistol frames have the following modifications: “small,” “medium,” “large.” As can be seen from the names, they differ in size and are chosen for the particular needs of the shooter.

SIG Sauer P320 Controls

The trigger of the P320 is comfortable but can be replaced with other options that are more convenient for the owner of the weapon.

Depending on the version of the gun, it is necessary to apply a force corresponding to between 2.5 kg. and 3.4 kg.

The P320 pistol is equipped with a system that protects against accidental firing. In the design of the gun is implemented a system of blocking fire, which prevents shooting when the bolt is unlocked.

The gun has a fully symmetrical implementation of controls. Resetting the store can be done using the left or the right buttons. For night firing, the gun can be retrofitted an optical system, which is adjustable in the vertical plane.

SIG Sauer P320 Additional Details

In order to disassemble SIG Sauer P320 and change one design to another, you do not need to use any tricky fixtures. It can be easily done. The main thing is to observe a certain chain of actions.

The first is the removal of the magazine, and the second is the blocking of the cover-slide with the removal of the disassembly lever. Then you can begin to change the components of the P320.

Versions of the Sig Sauer P320 pistol are already available for evaluation and adoption by military units, police services, and other state armed bodies. As for civilian sales, they are currently available only in the United States.

SIG Sauer P320

Glock 19 Pistol: Features

The frames of both Glock 19 pistols are made of impact-resistant plastic. The valves are made of steel by the method of high-precision casting and subjected to special treatment to improve corrosion and wear resistance. Built to last with most of its parts invented by Gaston Glock it is top of the line in this regard.

All Glock 19 pistols have a shock trigger, called Safe Action trigger. The Safe Action works with three automatic fuses, including one on the trigger. A feature of the “Safe Action” is that during the cycle of reloading the pistol the drummer is cocked only partially, while it is blocked by an automatic fuse.

Glock 19 Pistol: Controls

Your gun fires only when you press the trigger, and is in safe mode once you release it. Thus it is possible to achieve a monotonous effort on the trigger from the first to the last shot, which has a positive effect on the accuracy of shooting.

You can adjust the trigger to respond at a certain preferred point. The pull force is adjustable from 2.5 to 5 kg by replacing the spring. The ease of use and adjustments of this gun make it the preferred choice among users who conceal carry for self-defense.

It is also loved by the police, as it offers a quick response time. Besides, it is very easy to train with.

For you too, you will find this unique innovation easy to work with, on the shooting range or for sport shooting.

Glock 19 Additional Details

The Glock 19 sights are removable and installed in transverse grooves of the dovetail alignment. Non-adjustable aiming devices with white or flashing (tritium) dots are installed as standard for easy aiming in low light conditions. On the Glock 19X, adjustable rear sight and front sights can be installed.

The Picatinny rail also allows for mounting a wide range of pistol add on’s.

It is a characteristic of this pistol to handle heavy fire without arrest or malfunction. This really is what its reputation is built on. While the standard ammo holding capacity is 15 rounds, this model can be reconfigured to accommodate up to 33 rounds.

This firearm has an easy to remove jaw and installation. It can be dismantled and put together by hand without the need for tools.

SIG Sauer P320 vs Glock 19 Comparison Chart

We said so. Head to head; they are just about the same. They are both “top guns.”

However, there are a few differences. We have listed some similarities as well.

So, let’s take a look…

SIG Sauer P320Glock 19
Size VariantsThree pistol frame modifications. Small, Medium, LargeThree handle girth variants. Achieved by interchanging the butt back.
“Close call” response rateReliableSuper Reliable

SIG Sauer P320 vs Glock 19 Conclusion

The reason why the Glock 19 remains the preferred choice for most people is its lack of a safety lever. Its robust Safe Action feature makes it the easiest to use during training and in real life civilian use.

No complexities, just shoot.

Conversely, the SIG Sauer offers you more options. Left-handed, right-handed, and various hand sizes models. While we believe they are both good choices, for personal use, we think the Glock 19 remains a better option.


Well, we selected it because it is an inexpensive gun model. Unless you are in the military, then you will find the Glock 19 both practical and comfortable to use. Trust it; it is one of the most reliable guns in the world!

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