Sig Sauer P320 vs Beretta M9: comparison of 2 handguns

Sig Sauer P320 vs Beretta M9 : comparatif de 2 armes de poing - Phil Team

The US Army has moved to a more modern handgun

The Sig Sauer P320 will replace the Beretta M9 as the standard army pistol. The decision was made following a long and controversial modular handgun system competition. Out of 12 handguns entered into the competition, the P320 won due to its lightweight and modular design. To get familiar with the new pistol and understand why the military made the change, we compared the performance and construction of the P320 and the M9.

Handguns are essential for many security professionals and shooting enthusiasts. In this comparison, we will look at two popular models: the Sig Sauer P320 and the Beretta M9. These two world-renowned guns offer exceptional performance and proven reliability. Follow us to discover the key features of each weapon and determine which one best suits your needs.

Introducing the Sig Sauer P320

The Sig Sauer P320 is a versatile semi-automatic pistol widely used by security forces and sport shooters around the world. Here is an overview of its main features:

  • Technical Features: The P320 is available in different configurations, offering a variety of caliber and magazine capacity options. It is equipped with a double action trigger for increased safety and can be disassembled without the need for tools.

  • Design and ergonomics: The P320 is distinguished by its modern and ergonomic design. Its modular stock allows the size and shape of the handle to be adapted to the user's preferences, ensuring a comfortable and personalized grip.

  • Accuracy and shooting performance: The P320 is renowned for its exceptional accuracy. Its superior quality barrel and precise aiming system allow for consistent and grouped shots, even at long distances.

  • Magazine Capacity and Caliber Options: The P320 offers a generous magazine capacity, varying by model, ranging from 10 to 17 rounds. In addition, it is compatible with different calibers, such as 9mm, .40 S&W and .45 ACP, which offers great flexibility to shooters.

Discovery of the Beretta M9

The Beretta M9 is a world famous service pistol, widely used by armed forces and law enforcement agencies. Here is an overview of its main features:

    • Technical specifications: The M9 is a semi-automatic pistol chambered in 9mm. It features double and single action, offering a double action firing option for the first shot and single action for subsequent shots. Its barrel locking mechanism ensures high accuracy and reduced recoil.

    • Design and handling: The M9 is distinguished by its classic and timeless design. Its ergonomic polymer handle ensures a comfortable grip and reduces fatigue during prolonged shots. In addition, it has safety features such as a manual safety lever and a visible loading indicator.

    • Accuracy and Handling: The M9 is renowned for its accuracy and stability when shooting. Its fixed barrel and adjustable sighting system provide high accuracy and consistent hits on target. In addition, its reactive trigger and effective recoil feedback system facilitate control of the weapon and improve the speed of successive shots.

    • Magazine Capacity and Reliability: The M9 is equipped with a 15-round capacity magazine, providing ample ammo for heavy fire situations. Additionally, the Beretta M9 is known for its exceptional reliability, capable of withstanding harsh conditions and operating flawlessly in varied environments.

    • Legacy and Recognition: The Beretta M9 has become a true icon in the world of handguns. Adopted by the US Army as an official service pistol, it is field proven and widely used by militaries around the world. Its solid reputation and long history make it a trusted choice for those looking for a proven weapon.

Part 3: Performance and Versatility

When it comes to performance, the Sig Sauer P320 and Beretta M9 are both strong contenders. The Sig Sauer P320 is famous for its modularity, which means the user can easily change the grip size and barrel length to suit their preferences and build. This versatility allows each shooter to customize the weapon for optimal grip and increased accuracy.

In terms of accuracy, the P320 has a proven track record of delivering tight groupings at varying firing distances. Its crisp trigger system and low recoil contribute to accurate and consistent shots. Additionally, the P320 is equipped with an adjustable sight, allowing the user to easily adjust the point of impact to suit their specific needs.

On the other hand, the Beretta M9 is also renowned for its accuracy. Its fixed barrel, combined with a soft and progressive trigger, allows precise shots at medium and long distances. Additionally, the M9's fixed sight provides rapid target acquisition, which is essential in situations where every second counts.

Part 4: Ergonomics and comfort

The ergonomics of a handgun is essential to ensure easy handling and a comfortable grip. The Sig Sauer P320 stands out with its ergonomic design and textured handle, providing a secure and comfortable grip, even in wet or slippery conditions. Its balanced weight and modifiable size also allow easy handling, whatever the size of the user.

For its part, the Beretta M9 offers a generous grip thanks to its thick and profiled handle. Its traditional shape is loved by many shooters and its balanced weight contributes to a smoother recoil. However, some people may find the M9 a bit bulky due to its bulkier size compared to the P320.

In the following parts of this article, we will discuss the other important aspects of this comparison, such as the shooting ability, maintainability, safety and many more. Keep reading to find out the key differences between the Sig Sauer P320 and the Beretta M9, ​​and to find the handgun that best suits your needs and shooting style.

Part 5: Firing Capability and Reliability

When it comes to shooting capability, the Sig Sauer P320 and Beretta M9 both offer great options. The Sig Sauer P320 is available in different magazine capacities, ranging from 10 to 17 rounds depending on the caliber. This allows shooters to tailor their weapon's capacity to suit their specific needs, whether for self-defense or military use. In addition, the loading mechanism of the P320 is reliable and ensures a steady supply of ammunition.

For its part, the Beretta M9 is generally equipped with a magazine with a capacity of 15 rounds, offering a good amount of ammunition for combat situations. The M9's magazine design allows for quick and easy reloading, which can be crucial in high-risk situations.

In terms of reliability, both of these guns have solid reputations. The Sig Sauer P320 has been extensively tested and adopted by many law enforcement and military units around the world, which is a testament to its ruggedness and reliability in extreme conditions. The Beretta M9 also has a long history of use in the armed forces, proving its reliability even in harsh environments.

Part 6: Maintainability and availability of spare parts

Ease of maintenance is a crucial aspect to consider when choosing a handgun. In this area, the Sig Sauer P320 and the Beretta M9 both offer advantages. The P320 is designed in a modular way, which facilitates the dismantling and maintenance of the weapon. Additionally, spare parts for the P320 are readily available, simplifying any repairs or modifications that may be required.

As for the Beretta M9, ​​it also benefits from a relatively simple design, which facilitates regular maintenance. Spare parts for the M9 are also widely available, thanks to its popularity and widespread use.

In the following parts of this article, we will discuss other important elements of this comparison, such as security, accuracy, accessibility and many more. Read on to learn the key differences between the Sig Sauer P320 and the Beretta M9, ​​and to choose the handgun that best meets your needs for performance, reliability, and serviceability.


Both the Sig Sauer P320 and the Beretta M9 are excellent handgun choices, offering top-tier performance and proven reliability. Each model has unique characteristics that may influence your final decision.

By considering your personal preferences, your shooting style and your specific needs, you will be able to choose the weapon that best suits your expectations. Whether you are a security professional or a sports shooting enthusiast, these two renowned pistols will meet your requirements.


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