Choosing between the Sig P320 Xten and the Glock 20 can be tough. Both are top-notch in their category and offer great features.
When comparing firearms, understanding the differences is crucial. Each has unique specifications that appeal to different users. Whether you are a seasoned shooter or a beginner, this comparison will help you make an informed decision. We’ll explore key aspects like design, performance, and usability.
This guide aims to provide clear insights into both models. By the end, you’ll know which handgun suits your needs better. Let’s dive into the details of the Sig P320 Xten and the Glock 20.
Design And Ergonomics
When choosing a firearm, design and ergonomics matter. They affect user comfort and shooting accuracy. Let’s compare the Sig P320 Xten and Glock 20.
Grip Comfort
The grip design impacts how well the firearm fits in your hand. The Sig P320 Xten features a textured grip. This ensures a firm hold, even with sweaty hands. The Glock 20 also offers a textured grip. But, its grip angle is different. Some shooters find the Glock 20’s angle more natural. Others prefer the Sig’s design. Personal preference plays a big role here.
Weight And Balance
Weight affects how easy it is to carry and shoot a firearm. The Sig P320 Xten weighs around 33 ounces. It feels solid and balanced. The Glock 20 is slightly lighter. It weighs about 30 ounces. This makes it easier to carry for long periods. Both guns are well-balanced. Each has a different feel when shooting. The Sig feels more substantial. The Glock feels a bit lighter and quicker.
Performance And Accuracy
When comparing the Sig P320 Xten and Glock 20, performance and accuracy are crucial factors. Both firearms have unique attributes that appeal to different shooters. This section explores how each performs in terms of range testing and recoil management.
Range Testing
During range testing, both the Sig P320 Xten and Glock 20 show impressive results. The Sig P320 Xten offers a smooth shooting experience. It has a crisp trigger pull that enhances accuracy. On the other hand, the Glock 20 performs reliably. Its consistent performance makes it a favorite among many shooters. Both pistols have good accuracy at various distances.
Recoil Management
Recoil management is another important aspect. The Sig P320 Xten has a unique design that reduces felt recoil. This makes it easier to control, even for less experienced shooters. The Glock 20, with its solid build, also manages recoil well. It has a slightly heavier frame, which helps absorb some of the kick. Both firearms provide a comfortable shooting experience.
Ammunition Capacity
When choosing a handgun, ammunition capacity is a crucial factor. You want a gun that can hold enough rounds for your needs. In this section, we compare the ammunition capacity of the Sig P320 Xten and the Glock 20. We look at magazine size and reload speed.
Magazine Size
The Sig P320 Xten features a 15-round magazine. This provides a solid capacity for most situations. The Glock 20, on the other hand, comes with a 15-round magazine as well. Both handguns offer a similar magazine size. This makes them great choices for users needing higher capacity.
Reload Speed
Reload speed can make a big difference in critical moments. The Sig P320 Xten has a user-friendly design that aids quick reloads. Its magazine release is easy to reach and operate. The Glock 20 also shines in this area. It features a smooth magazine release mechanism. Both guns allow for swift and efficient reloads. This makes them reliable options in tense situations.

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Durability And Reliability
Choosing a firearm involves assessing its durability and reliability. The Sig P320 Xten and Glock 20 are both popular choices. Each has its unique strengths. Understanding their material quality and longevity can help you decide which is better suited for your needs.
Material Quality
The Sig P320 Xten features a stainless steel slide and a polymer frame. This combination offers a balance of strength and weight. The stainless steel resists rust and wear.
The Glock 20 also uses a polymer frame. Its slide is made of high-quality steel. Glock’s proprietary Tenifer treatment makes the steel exceptionally hard and corrosion-resistant.
Both guns use durable materials. The choice may come down to personal preference.
Longevity
Both the Sig P320 Xten and Glock 20 are built to last. Regular maintenance can extend their lifespans significantly.
The Sig P320 Xten is known for its modular design. This allows users to replace parts easily. Over time, this can save money and ensure the gun remains in good working order.
The Glock 20, with its robust construction, is famous for its long service life. Many users report high round counts without significant wear. Its simple design means fewer parts that can fail.
Here is a quick comparison table for clarity:
Aspect | Sig P320 Xten | Glock 20 |
---|---|---|
Frame Material | Polymer | Polymer |
Slide Material | Stainless Steel | Steel with Tenifer Treatment |
Modularity | High | Low |
Maintenance | Moderate | Low |
Both firearms offer impressive durability and reliability. Your choice depends on your specific needs and preferences.
Safety Features
Safety is a top priority for firearm users. Both the Sig P320 Xten and Glock 20 have robust safety features. Let’s dive into their mechanisms and controls to understand their differences and benefits.
Trigger Mechanism
The Sig P320 Xten features a striker-fired trigger system. This system has a consistent pull weight for each shot, improving accuracy and control.
It also includes a trigger safety. This prevents accidental discharge by blocking the trigger unless fully depressed.
The Glock 20 also uses a striker-fired mechanism. It incorporates the Safe Action System, which includes three automatic safeties:
- Trigger Safety: Prevents firing if the trigger is not intentionally pulled.
- Firing Pin Safety: Blocks the firing pin from moving forward.
- Drop Safety: Prevents discharge if the firearm is dropped.
This multi-safety system makes the Glock 20 highly reliable.
Safety Controls
The Sig P320 Xten offers various safety controls, including:
- Manual Safety: An optional feature that provides an extra layer of security.
- Loaded Chamber Indicator: Allows quick visual confirmation of a loaded round.
- Disconnector Safety: Prevents firing unless the slide is fully forward.
These controls ensure the firearm operates safely under different conditions.
The Glock 20 relies more on its internal safeties. It does not include a manual safety but has a visible and tactile loaded chamber indicator.
This system is simple yet effective, reducing the chance of user error.
Both firearms offer impressive safety features, tailored to different user preferences. The Sig P320 Xten provides more manual controls, while the Glock 20 emphasizes internal safety mechanisms.

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Customization Options
Customization options play a big role in choosing between the Sig P320 Xten and the Glock 20. Both handguns offer many ways to make them your own. However, their customization options differ in several key aspects. Here, we will explore these differences under two main subheadings.
Aftermarket Parts
Aftermarket parts let you improve your gun’s performance and looks. The Glock 20 has a rich aftermarket parts market. You can find many options for triggers, slides, and barrels. This makes it easy to upgrade your Glock 20.
The Sig P320 Xten also offers a good range of aftermarket parts. You can find custom slides, barrels, and grips. The options for this model are growing fast. This gives users many choices for personalization.
Modularity
Modularity means you can change parts to suit your needs. The Sig P320 Xten stands out for its modular design. Its fire control unit (FCU) can be moved between different frames. This allows you to change the size and shape of your gun. You can adapt it for different tasks and carry needs.
The Glock 20 does not offer the same level of modularity. It relies more on aftermarket parts for customization. While you can change many parts, you cannot swap the core components. This limits the ways you can modify the gun.
Both the Sig P320 Xten and Glock 20 offer great customization options. But they do so in different ways. The choice depends on your needs and preferences.
Price And Value
Price and value are important factors when choosing a handgun. Both the Sig P320 Xten and the Glock 20 have unique features. Let’s see how they compare in terms of cost and value.
Cost Comparison
The Sig P320 Xten usually costs more than the Glock 20. The price difference can be around $100 to $200. The P320 Xten’s higher price includes advanced features and better build quality.
In contrast, the Glock 20 is more budget-friendly. It offers reliable performance at a lower price. This makes it a good option for those who want a dependable firearm without spending too much.
Value For Money
The Sig P320 Xten provides many advanced features. These include a modular design and better ergonomics. It also has a crisp trigger and good accuracy. These features justify its higher price.
The Glock 20 offers great value too. It may not have as many advanced features, but it is known for its reliability. It has a proven track record in various situations. This makes it a solid choice for many users.
In summary, both handguns offer good value for their price. The choice depends on your budget and specific needs.

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Frequently Asked Questions
What Are The Main Differences Between Sig P320 Xten And Glock 20?
Sig P320 Xten has a modular design. Glock 20 is known for its reliability and simplicity.
Which Gun Is Better For Self-defense?
Both are good for self-defense. Sig P320 Xten offers more customization. Glock 20 is simpler to use.
Is The Sig P320 Xten More Accurate Than The Glock 20?
Sig P320 Xten is known for its accuracy. Glock 20 is also accurate but simpler in design.
How Do The Prices Of Sig P320 Xten And Glock 20 Compare?
Sig P320 Xten is usually more expensive. Glock 20 is more budget-friendly.
Which Gun Has Better Ergonomics, Sig P320 Xten Or Glock 20?
Sig P320 Xten has better ergonomics due to its modular design. Glock 20 has a straightforward, reliable grip.
Conclusion
Both the Sig P320 Xten and Glock 20 offer strong features. Each has unique benefits for different needs. The Sig P320 Xten excels in customization. The Glock 20 stands out for its durability. Choosing the best one depends on your preferences.
Both guns have proven reliability. So, consider your specific requirements. Comfort, ease of use, and purpose matter most. Happy shooting!