One name stands out in the world of firearms, Sig Sauer. Known for quality, their P320 pistol raises the bar even further. So, what makes the P320 special? Let’s dive right in!


The Sig Sauer P320, a semi-automatic pistol, has won hearts in the military, law enforcement, and civilian markets. Its main draw? Incredible modularity. With this firearm, you can change the caliber, grip size, and slide length.

Measurements and Weight

Depending on the variant, this pistol can range from 5.5 to 8.0 inches in overall length. Its height varies from 4.3 to 5.5 inches, while width stands between 1.3 to 1.4 inches.

Without a magazine, the weight ranges from 17.6 ounces for the subcompact model to 29.6 ounces for the full-size .45 ACP variant.

Ammo and Caliber

One key feature of the P320 is the variety of calibers it accepts. The main options include:

  • 9mm
  • .357 SIG
  • .40 S&W
  • .45 ACP

This versatility lets you switch between different ammunition types, making it a truly flexible firearm.

Accuracy and Recoil

The P320 is known for its accuracy. Even beginners find it easy to shoot accurately due to the firearm’s crisp trigger pull and pronounced reset. As for recoil, it’s quite manageable, even with the more potent .45 ACP rounds.

Building Your P320

If you love to tinker and put a personal spin on your possessions, especially your firearms, then the P320 will be a match made in heaven. The wealth of build kits available for this pistol is truly staggering, catering to every shooter’s tastes and preferences.


Let’s start with the ‘upper’ of the P320. This part of the gun, known as the slide assembly, can be quickly and effortlessly swapped out. Think about the advantage of being able to change the length of your slide. A longer one offers better accuracy at range, while a shorter one gives improved concealability. You can also select from a variety of finishes, adding that personal touch to your P320. This flexibility puts the P320 in a class of its own.


Moving on to the ‘lower’ of the P320, it consists of the grip module. This vital part can also be replaced, and with options galore! You can find the grip module in different sizes, from small to large. Each size is designed to ensure every shooter, regardless of hand size, can achieve a comfortable and firm grip. The fit in your hand is critical, and with the P320, you get to choose what works best for you.

Full Build Kits

For those shooters who really want to get their hands dirty and enjoy constructing their firearm piece by piece, full build kits are up for grabs. These kits come equipped with all the necessary parts to build a fully customized P320 tailored to your preferences.

The joy of the P320 isn’t just in the shooting; it’s in making the pistol your own. With many upper, lower, and full-build kit options, you can customize the P320 to fit your style, comfort, and needs. The Sig Sauer P320 isn’t just a pistol; it’s a canvas waiting for your personal touch.

Diverse P320 Models for Different Needs

Sig Sauer rolls out the P320 in a spectrum of models – from full-size powerhouses to sub-compact stealth fighters. Each one serves a specific purpose and fits a unique set of needs.

Full-Size Power: Sig Sauer P320 XCarry Spectre 9mm Pistol

The biggest player in the P320 family is the full-size model. With the Sig Sauer P320 XCarry Spectre 9mm Pistol as an excellent example, this class boasts high-capacity magazines and extended slides. Think of it as a trusty sidearm for military personnel, a reliable partner for law enforcement officers, and a formidable defense tool for your home.

Compact Convenience: Sig Sauer P320 RXP Compact 9mm Striker-Fired Pistol

On the other hand, the compact variant of the P320 strikes a harmonious balance between a manageable size and potent firepower. Take the Sig Sauer P320 RXP Compact 9mm Striker-Fired Pistol. It’s a fine example of a compact firearm that’s not just perfect for concealed carry, but also comes with a substantial punch.

Sub-Compact Stealth: Sig Sauer P320 Sub-Compact 9mm Striker-Fired Pistol

If discreet concealment is your top priority, the sub-compact P320 models are your go-to choice. Despite their compact size, as demonstrated by the Sig Sauer P320 Sub-Compact 9mm Striker-Fired Pistol, they don’t compromise on the accuracy and reliability that’s synonymous with Sig Sauer.


The P320 is a reliable companion. It’s robust, durable, and has proven itself in numerous testing protocols. This trusty firearm won’t let you down when it matters most.

In conclusion, the Sig Sauer P320 is more than just a firearm. It’s a customizable tool, adaptable to your specific needs. Whether for defense, duty, or sport, the P320 delivers a remarkable shooting experience.

P320’s Ergonomics

Hold a Sig Sauer P320, and you’ll feel the difference. It’s not just another pistol. It’s an extension of you.


The first thing you notice? The grip. Each P320 model provides a unique grip angle, designed to enhance pointability. That’s not all. The grip module is available in small, medium, and large sizes, allowing for a personalized fit. This, combined with the textured grip, makes handling the P320 a delight.


The P320 sports a clean, crisp trigger pull. It requires just the right amount of pressure – not too light or heavy. The reset? Distinct and short. This perfect balance contributes to the P320’s exceptional accuracy.

Slide Release and Magazine Eject

Functionality matters and the P320 delivers. The slide release is ambidextrous, an appreciated feature for left-handed shooters. The magazine eject is easy to reach and operates smoothly, ensuring quick and effortless reloads.

Safety Features

The P320 carries Sig Sauer’s commitment to safety. It boasts a variety of features designed to keep you safe.

No Trigger Pull Disassembly

The P320 eliminates the need for trigger pull during disassembly. This is a major safety plus, reducing the risk of accidental discharge while cleaning or servicing the pistol.

Striker Safety

The P320 includes an automatic striker safety. This mechanism prevents the striker from moving forward until the trigger is pulled. It’s an extra layer of safety that sets your mind at ease.

Drop Safety

The P320 features a robust drop safety mechanism in line with industry standards. Even when subjected to significant impact, the P320 will not accidentally discharge. This safety feature has been thoroughly tested and proven effective.

How to Choose

With so many options, how do you pick the right P320? Here are a few things to consider.


What’s your main use for the firearm? Is it for home defense, concealed carry, competition shooting, or just range fun? Each P320 model is suited to a specific use case.

Hand Size

Remember, the P320 offers different grip sizes. Choose one that fits comfortably in your hand and allows for easy operation of the controls.

Caliber Preference

Think about the kind of ammunition you prefer. The P320 is available in multiple calibers, so you can pick the one that best suits your needs.

In conclusion, the Sig Sauer P320 is a remarkable firearm. It’s reliable, customizable, accurate, and built with user safety in mind. Whatever your needs, there’s a P320 for you. So why wait? Explore the world of P320 today and find your perfect match.

Models and Options

The P320 is available in a variety of models. It’s like a buffet of firearms, with options to suit every need and preference.

Full Size

With an overall length of 8 inches and a barrel length of 4.7 inches, the full-size P320 is the big sibling in the lineup. A weight of 29.5 ounces means it’s robust and steady. It’s perfect for duty use or home defense.


The Carry model offers the best of both worlds. It combines the full-size grip with a compact slide. This unique pairing makes it a top pick for those wanting a bit more control during extended range sessions.


If you’re after a smaller firearm, the compact P320 should catch your eye. It’s more concealable with a 3.9-inch barrel and a weight of 25.8 ounces. Perfect for those looking for an everyday carry firearm.


The family’s smallest member, the P320 subcompact, is perfect for deep concealment. It weighs in at just 24.9 ounces and boasts a 3.6-inch barrel. Don’t let the size fool you, though. It still packs a punch.

Build Kits

For the DIY enthusiasts out there, the P320 doesn’t disappoint. Sig Sauer offers a range of build kits. These let you customize your P320 down to the finest detail. The sky’s the limit with these kits.


Want to swap out your slide or barrel? No problem. The P320’s modularity allows you to customize the upper with ease.


Maybe you want to change the grip size or add a personal touch to your firearm. P320 lower build kits are your solution. They let you modify your firearm to suit your unique needs and tastes.

Full Build Kits

If you’re after a full makeover, consider a complete build kit. This includes everything you need to build a P320 from scratch. It’s an exciting way to make the P320 your own truly.

The Sig Sauer P320 is more than a firearm. It’s a statement of individuality. It offers unmatched customization options and a range of models to suit every need. Its exceptional reliability, safety features, and user-friendly design make it a solid choice for any shooter. Whether you’re new to the world of firearms or a seasoned pro, the P320 is a firearm that deserves your attention.

Accuracy and Recoil

Now, let’s dive into some of the nitty-gritty details – accuracy and recoil. These factors can significantly influence the shooting experience. So, how does the P320 stack up?


Many users praise the P320 for its accuracy. It’s the combination of a quality barrel, a crisp trigger pull, and excellent ergonomics that seems to deliver results. Whether you’re on the range or in a high-stakes situation, you can trust the P320 to hit the mark.


One of the many reasons why shooters adore the P320 is the manageable recoil. The pistol’s design helps absorb and distribute the shock evenly, preventing harsh kickback. So, you can maintain control, ensuring that your follow-up shots are just as accurate as the first.


Another key aspect to consider when choosing a firearm is the type of ammunition it uses. The P320 shines here too. It’s available in 9mm, .357 Sig, .40 S&W, and .45 ACP. The 9mm variant is especially popular due to its lower recoil and the affordability of the ammo.

If you’re concerned about ammo availability during times of scarcity, the P320’s versatility is a significant plus. With this pistol, you can adapt based on what ammo you can find.


Reliability is crucial when it comes to firearms. Luckily, the P320 is renowned for its dependability. It cycles through rounds smoothly, regardless of the weather or the amount of dirt and grime it’s exposed to. It’s a workhorse that won’t let you down.

The Sig Sauer P320 stands out in a crowd of pistols. It’s a versatile, reliable, customizable firearm with excellent performance. Whether you’re a beginner or an experienced shooter, the P320 offers options to meet your needs. Its mix of accuracy, manageable recoil, and flexibility in ammo types makes it a worthy addition to anyone’s firearm collection.

Customization with Build Kits

A major draw of the Sig Sauer P320 lies in its modularity and ease of customization, allowing users to tweak their firearm according to specific needs. Let’s explore the various build kits available.


The upper part of the P320, which includes the slide and barrel, can be easily replaced. You can opt for various lengths and calibers, allowing a level of customization that caters to different shooting preferences. Whether you need a compact slide for conceal carry or a full-sized version for duty, the P320 offers you options.


The lower part, also known as the grip module, is where the P320 truly shines in customization. The unique design of the P320 allows users to switch out the entire lower frame. This feature lets you alter the firearm’s grip size, color, and overall size.

Whether you have small hands and need a compact grip, or you prefer a larger, full-sized grip, the P320 has got you covered. The availability of diverse grip modules truly sets the P320 apart from other pistols in its class.

Full Build Kits

For those who want a completely personalized experience, full build kits are available. These kits allow you to select each part of your P320 according to your exact specifications. From the upper size and caliber to the grip module’s color and size, the full build kit ensures that your P320 is tailor-made for you.

Full-Size, Compact, and Sub-Compact Options

The P320 series offers various size options to suit a range of needs.

  • Full-Size: The full-size P320 is perfect for duty or home defense. It has a larger grip and slide, which offers increased capacity and a longer sight radius.
  • Compact: The compact P320 strikes a balance between size and capacity. It’s small enough for conceal carry, yet big enough to provide a solid grip and good capacity.
  • Sub-Compact: The sub-compact P320 is designed for deep concealment. It has a smaller grip and slide, making it the easiest to carry discreetly.

In summary, the Sig Sauer P320 is a versatile and reliable firearm with a plethora of customization options. Whether you’re after a full-size, compact, or sub-compact model, the P320 series offers something to meet your needs. Its interchangeable uppers, lowers, and full build kits make it one of the most adaptable pistols on the market.

Wrapping It Up

There you have it – the Sig Sauer P320 in all its glory. Whether you’re a first-time gun owner or a seasoned shooter, this adaptable and reliable pistol might be the perfect fit for you. With the P320, you don’t just get a firearm. You get a tool that can be tailored to your specific needs and preferences, whether a full-size for home defense, a compact for everyday carry, or a sub-compact for deep concealment.

The customization possibilities are plentiful, from uppers to lowers and even full build kits. The P320 allows you to build the gun of your dreams, no matter your hand size, preferred grip feel, or color preference.

But the P320 isn’t just about customization. It also shines in performance, with a reputation for accuracy, a manageable recoil, and a track record of reliability that keeps shooters returning to Sig Sauer repeatedly.

So, next time you’re in the market for a firearm, consider the Sig Sauer P320. It’s more than just a pistol – it’s a modular system tailored to suit your needs. Happy shooting!