Glock 19 Threaded Barrel: Is This Feature Standard?

Posted by Faxon Firearms Staff on Apr 15th 2024

Glock 19 Threaded Barrel: Is This Feature Standard?

Glock 19 Gen 5 with Faxon Firearms Threaded Barrel and Magazine Extension.

When it comes to customizing the Glock 19, one question often surfaces: does the Glock 19 have a threaded barrel? By default, most civilian models of the Glock 19 do not come with a threaded barrel. However, options for adding a threaded barrel are widely available for those looking to enhance their firearm, whether for the attachment of suppressors, compensators, or for aesthetic reasons.

Threaded barrels bring a significant advantage to firearm customization. They allow for the addition of compensators and suppressors, which can help reduce felt recoil and noise, respectively. For firearm enthusiasts who value high-quality and innovative designs, understanding the importance and benefits of a threaded barrel is crucial. This feature not only enhances performance but also offers a level of customization that aligns with the desires of those seeking to upgrade their Glock 19.

For our readers who value straight-to-the-point, no-nonsense information:

  • Quick Answer: Most Glock 19 models do not come standard with a threaded barrel, but aftermarket options are plentiful and accessible.

The addition of a threaded barrel to your Glock 19 can transform its performance and appearance, making it a worthy consideration for those looking to customize their firearm to meet higher standards of quality and innovation.

Detailed infographic on the importance of threaded barrels in Glock 19 customization, highlighting quick attachment options for suppressors and compensators, the standard 1/2 x 28 TPI threading, and the improved performance and aesthetic enhancements offered by aftermarket threaded barrels. - does the glock 19 have a threaded barrel infographic step-infographic-4-steps

Does the Glock 19 Have a Threaded Barrel?

When it comes to customizing your Glock 19, one of the first questions many shooters ask is: does the Glock 19 have a threaded barrel? The simple answer is, no, not straight out of the box. The standard Glock 19, including the popular Gen 5 model, comes with a traditional, non-threaded barrel. This means if you're looking to attach a suppressor or a compensator to reduce muzzle rise, you'll need to look into aftermarket options or specific OEM (Original Equipment Manufacturer) versions designed with threading.

OEM Options

Glock does offer threaded barrels as part of their OEM options, but these are typically sold separately from the Glock 19 itself. These barrels are designed to match Glock's strict quality standards, ensuring a perfect fit and compatibility with your Glock 19. For those loyal to the Glock brand, OEM threaded barrels are a reliable choice. However, Glock® is based in Austria, and it is common to find OEM threaded barrels with non-standard thread pitches. Most threaded muzzle devices commonly found today have 1/2x28 TPI (Threads Per Inch) threads. You should check the muzzle device you intend to use to determine what thread pitch your barrel should have to use your device.

Glock 19 Gen 5 and Threading

The Glock 19 Gen 5 brought several enhancements over its predecessors, such as an improved barrel and finish. However, it maintained the tradition of coming with a non-threaded barrel. This has led to a robust market of aftermarket threaded barrels that offer not just the ability to attach muzzle devices but also various improvements such as fluting for weight reduction and enhanced cooling.

Choosing a Threaded Barrel

For Glock 19 owners looking to upgrade, selecting a threaded barrel comes down to a few key considerations:

  • Compatibility: Ensure the barrel is designed for your specific Glock 19 model (e.g., Gen 5).
  • Threading Standard: Most aftermarket barrels and muzzle devices adhere to the 1/2x28 threading standard for ease of use.
  • Material and Construction: Look for high-quality materials that offer durability and performance enhancements.

In conclusion, while the standard Glock 19 does not come with a threaded barrel, the options for upgrading are vast. Whether you choose an OEM threaded barrel for its guaranteed compatibility and quality or explore the wide range of aftermarket options, upgrading your Glock 19 with a threaded barrel can significantly enhance its performance and versatility. When selecting a barrel, consider the threading, material, and compatibility to ensure you get the most out of your customization.

Benefits of a Threaded Barrel

When we dive into Glock 19 modifications, one feature stands out for its practical benefits: the threaded barrel. This simple upgrade can enhance your shooting experience in three key ways: allowing the use of compensators to decrease muzzle rise, attaching a suppressor for hearing safety, and overall performance enhancement.

Decreased Muzzle Rise

Firstly, let's talk about muzzle rise. This is what happens when your gun kicks up after firing a shot. It's physics in action – for every action, there's an equal and opposite reaction. A threaded barrel can help manage this kick. By attaching a compensator (more on this in a bit), you can keep your gun steadier after each shot. This means you can aim and fire again more quickly, making your shooting both faster and more accurate.


Now, onto compensators. These handy devices can be screwed onto a threaded barrel. Their job? To redirect the gases that exit the barrel when you fire a shot. Instead of all that force pushing your gun up (and throwing off your aim), compensators push the gas upwards and/or outward. This counteracts the muzzle rise. It's like adding a little helper that says, "Nope, let's keep things steady here."

Performance Enhancement

Lastly, the overall performance enhancement. A threaded barrel doesn't just reduce felt recoil and allow for cool attachments. It can also improve your Glock 19's accuracy. How? By giving bullets, a more stabilized flight path. Plus, the option to add a suppressor for those who need or prefer a quieter shot. This isn't just about looking or sounding cool; it's about making each shot count more, whether you're at the range or using your Glock 19 for more serious purposes.

Upgrading to a threaded barrel offers a trifecta of benefits. You get to control your gun better, shoot more accurately, and customize your Glock 19 to suit your shooting style. Whether you're a competitive shooter, a law enforcement officer, or a firearms enthusiast, these enhancements are worth considering. And remember, always choose a high-quality barrel and compatible accessories to ensure the best performance and safety of your firearm.

Comparing Glock 9mm Variants

When diving into Glock pistols, particularly the Glock 19, understand how it stacks up against its siblings, notably the Glock 17 and the Glock 19X. Each model brings its unique features to the table, especially when considering barrel length and frame size. Let's break down these differences in simple terms to help you make an informed decision about which Glock might be right for you.

Glock 17 vs. 19

  • Barrel Length: The Glock 17 is the big brother in this comparison, sporting a barrel length of about 4.5 inches. The Glock 19, on the other hand, has a slightly shorter barrel, measuring about 4 inches. This difference might seem small, but it can impact the pistol's concealability and weight.
  • Frame Size: The Glock 17 is a bit larger overall, making it a preferred choice for duty carry or home defense where concealment isn't as critical. The Glock 19's smaller frame makes it an excellent choice for concealed carry, offering a good balance between size and capacity.

Glock 19 vs. 19X

  • Barrel Length: Both the Glock 19 and 19X share the same barrel length of approximately 4 inches. This means they will perform similarly in terms of accuracy and muzzle velocity.
  • Frame Size: Here's where things get interesting. The 19X combines the Glock 19's barrel and slide with the larger frame size of the Glock 17. This hybrid design offers the best of both worlds: the compactness of the Glock 19's barrel with the larger grip and magazine capacity of the Glock 17.

What Does This Mean for You?

Choosing between these Glock variants comes down to what you value most in a pistol. If concealability is your top priority, the Glock 19 might be your best bet. Its shorter barrel and smaller frame make it easier to carry discreetly. On the other hand, if you prefer a larger grip area and don't mind a bit more weight, the Glock 19X could be a perfect choice, especially for those with larger hands or who appreciate the extra magazine capacity.

The decision also affects accessory compatibility, including threaded barrels. While all these models can be fitted with threaded barrels for suppressor use, the process and options might vary slightly due to their differences in barrel length and frame size.

In conclusion, whether you lean towards the classic Glock 17, the compact Glock 19, or the hybrid Glock 19X, each has its advantages. Consider what features matter most to you in a firearm—be it concealability, grip size, or magazine capacity. And when looking to enhance your Glock's performance with a threaded barrel, always opt for high-quality products that match your Glock model's specifications to ensure optimal fit and function.

Threaded Barrel and Shooting Accuracy

When we dive into shooting accuracy, three key elements stand out: precision, tighter tolerances, and modified barrel. Let's break these down in simple terms.


Precision is all about hitting your target exactly where you intend to, every single time. A threaded barrel can up your game here. How? By allowing you to attach a compensator or suppressor, it helps reduce muzzle rise and recoil. This means you can shoot more accurately and get back on target faster for follow-up shots. It's not just about looking cool; it's about shooting better.

Tighter Tolerances

When it comes to metal parts, tolerances in manufacturing have to be brought up. Aftermarket barrels for the Glock 19 are no different. Glock has cemented itself as one of the most reliable names in the firearms space, and this is for good reason, Glocks just tend to work out of the box and can’t seem to be stopped. The reason for this is that Glock controls their manufacturing tolerances to a window that allows their firearms to run like a top. With aftermarket barrel manufacturers, some of these tolerances can be tightened up to provide a tighter lockup with an aftermarket barrel and improve potential accuracy when using an aftermarket barrel.

Modified Barrel

A modified barrel, especially one that's threaded, opens up a world of customization for your Glock 19. Whether it's adding a suppressor for reduced noise and muzzle blast or a compensator to combat recoil, these modifications can significantly impact your shooting accuracy. Aftermarket barrels can also offer improved rifling and tighter tolerances over stock barrels, potentially increasing your Glock's inherent accuracy.

While the Glock 19 doesn't come with a threaded barrel as standard, upgrading to one is a popular choice for shooters looking to enhance their pistol's performance and accuracy. This modification allows for the attachment of various muzzle devices, each contributing to a more stable, accurate shooting experience.

A threaded barrel can be a game-changer for your Glock 19, influencing precision, allowing for tighter manufacturing tolerances, and offering the possibility for various firearm modifications. As we move into discussing how to choose the right threaded barrel for your Glock 19, keep in mind that it's not just about fitting a suppressor or compensator—it's about tailoring your firearm to meet your specific needs for improved performance.

How to Choose the Right Threaded Barrel for Your Glock 19

Choosing the right threaded barrel for your Glock 19 involves understanding a few key aspects: OEM Glock 19 Threaded Barrel, Suppressor Compatibility, and the 1/2x28 threading. Let's break these down into simple terms to help you make an informed decision.

OEM Glock 19 Threaded Barrel

Firstly, when we talk about an OEM (Original Equipment Manufacturer) Glock 19 Threaded Barrel, we're referring to a barrel made by Glock itself. While the standard Glock 19 doesn't come with a threaded barrel, Glock does offer threaded barrels as an option for those looking to upgrade. Choosing an OEM threaded barrel ensures that you're getting a product designed specifically for your Glock 19, promising a perfect fit and optimal performance.

Suppressor Compatibility

If you're considering adding a suppressor to your Glock 19, compatibility is crucial. The main reason many shooters upgrade to a threaded barrel is to attach a suppressor (or compensator), which can significantly reduce noise and recoil. However, not all threaded barrels are created equal. You'll want to ensure that the barrel you choose is compatible with the suppressors you're considering. This compatibility often comes down to the threading specification of the barrel.

1/2x28 Threading

The 1/2x28 threading is the most common thread pitch for 9mm firearms, including the Glock 19. This standardization is vital because it means you'll have a wide range of suppressors and other muzzle devices that can fit your barrel. When choosing a threaded barrel, ensuring it has 1/2x28 threading will give you the flexibility to attach most suppressors and muzzle devices available on the market, making it a versatile choice.

In Summary, choosing the right threaded barrel for your Glock 19 comes down to three main factors: opting for an OEM barrel for assured quality and fit, ensuring suppressor compatibility to meet your shooting needs, and selecting a barrel with 1/2x28 threading for maximum flexibility with suppressors and muzzle devices. By considering these elements, you can enhance your Glock 19's performance, accuracy, and aesthetic appeal, making your shooting experience more enjoyable and tailored to your preferences.

Remember that upgrading your Glock 19 with a threaded barrel is an investment in your firearm's functionality and your enjoyment of shooting. With the right threaded barrel, your Glock 19 will not only look great but also perform at its best, whether at the range or in a competition setting when it matters most.


When it comes to upgrading your Glock 19, the decision to add a threaded barrel is one that offers both functional and aesthetic benefits. At Faxon Firearms, we understand the importance of precision, reliability, and style in every component of your firearm. Our commitment to innovative designs and utilizing the best industry resources ensures that every Glock 19 threaded barrel we offer meets the highest standards of quality and performance.

Innovation is at the core of what we do. Our team is dedicated to pushing the boundaries of firearm technology, constantly seeking new ways to improve your shooting experience. Whether it's through advanced manufacturing techniques, superior materials, or cutting-edge design, our goal is to provide you with products that elevate the performance of your Glock 19.

Our Glock 19 threaded barrels are designed with the shooter in mind. From their lightweight construction that doesn't compromise on strength or accuracy, to their compatibility with a wide range of suppressors and muzzle devices, our barrels are crafted to enhance your firearm in every way possible. Plus, with a variety of finishes available, you can customize the look of your Glock 19 to match your personal style.

Choosing a Faxon Firearms barrel means investing in a product backed by a lifetime guarantee. We stand behind the quality of our barrels, ensuring that you can trust their performance shot after shot. It's not just about making a purchase; it's about making an investment in your passion for shooting.

For those looking to upgrade their Glock 19, or any other firearm, we invite you to explore our collection of barrels and other firearm components. Discover the difference that innovation, quality, and a commitment to excellence can make in your shooting experience. Visit our barrels page today and take the first step towards unmatched performance and precision.

At Faxon Firearms, we're not just suppliers; we're your partners in performance, dedicated to helping you achieve your shooting goals. Whether you're a competitive shooter, a tactical operator, or a firearm enthusiast, our products are designed to exceed your expectations. Let us help you transform your Glock 19 into a masterpiece of form and function.