
Truglo TG131GT1Y Brite-Site TFO Low Set Fits Glock 17/17L/19/22/23/24/26/27/33/34/35 Tritium/Fiber Optic Green Front Yellow Rear Black
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Elevate Your Glock's Performance: The Truglo TG131GT1Y Brite-Site TFO Low Set
For any Glock owner serious about their firearm's capabilities, particularly in varied lighting conditions, upgrading your sights is one of the most impactful enhancements you can make. The standard factory sights, while functional, often fall short when speed and visibility are paramount, especially in low-light or dynamic scenarios. This is precisely where the Truglo TG131GT1Y Brite-Site TFO Low Set becomes an indispensable upgrade, transforming your Glock into a far more effective and reliable tool for self-defense, duty, or sport.
What Problem Does the Truglo TG131GT1Y Solve?
Imagine a situation where split-second target acquisition and clear sight alignment are critical. This could be in a dimly lit indoor range, during an early morning or late evening outdoor session, or, more importantly, in a real-world self-defense encounter where lighting is unpredictable. Traditional sights can become virtually invisible, turning your precise firearm into a guesswork instrument.
The Truglo TG131GT1Y Brite-Site TFO Low Set is engineered to overcome this universal challenge. It seamlessly blends two of the most effective illumination technologies – Tritium and Fiber Optics – to provide unparalleled sight visibility around the clock. Whether it's the brightest part of the day, dusk, or complete darkness, these sights ensure your aiming point is always vibrant and easy to find, drastically improving your ability to acquire targets swiftly and place accurate shots with confidence.
Who Needs This Essential Glock Upgrade?
This sight set is designed for a broad spectrum of Glock users who demand peak performance and reliability from their pistol:
- Concealed Carry (CCW) Holders: If your Glock is your everyday carry firearm, you understand the critical need for sights that perform flawlessly under any conditions you might encounter. The TFO system provides peace of mind that your defensive tool is always ready.
- Home Defense Practitioners: Protecting your home and loved ones often involves low-light environments. These sights offer a decisive advantage in such situations, ensuring you can clearly identify your target.
- Law Enforcement and Security Professionals: For those whose lives depend on their equipment, the TG131GT1Y offers the robust construction and reliable illumination necessary for duty use, day or night.
- Competitive Shooters: While often associated with tactical use, the rapid target acquisition offered by TFO sights can also translate into faster times and higher scores in various shooting competitions.
- Glock Enthusiasts and Owners: Anyone looking to maximize the potential of their Glock and experience a tangible improvement in their shooting performance will find this an invaluable addition.
If you frequently ask yourself questions like "How can I improve my Glock's accuracy in low light?" or "What are the best night sights for my Glock 19?", then the Truglo TG131GT1Y is a definitive answer.
Unpacking the Technology: Tritium and Fiber Optic Brilliance
The core innovation of the Truglo Brite-Site TFO (Tritium/Fiber Optic) system lies in its ingenious combination of two distinct light-gathering methods:
- Tritium (for Low Light and Darkness): Tritium is a radioactive isotope of hydrogen that continuously emits a soft, self-illuminating glow. This means that even in pitch-black conditions where no ambient light is available, the Tritium vials within the sights will glow brightly. This continuous illumination is crucial for reliable aiming at night without the need for batteries or external light sources. Truglo utilizes a Swiss-made Tritium for dependable, long-lasting performance, typically offering a glow for 12 years or more.
- Fiber Optic (for Daylight and Ambient Light): Fiber optic rods work by gathering ambient light from their surroundings and channeling it to the shooter's eye, creating bright, vivid dots. In daylight or well-lit environments, these fiber optics will glow intensely, providing incredibly crisp and quick sight alignment.
The brilliance of the TFO system is that these two technologies work in harmony. During the day, the fiber optics dominate, offering exceptional brightness. As light fades, the Tritium gradually takes over, ensuring a constant, reliable glow through dusk and into complete darkness. This seamless transition provides 24/7 visibility, making the TG131GT1Y a truly all-conditions sight solution.
Precision Engineering and Thoughtful Design
The Truglo TG131GT1Y is more than just glowing dots; it's a meticulously engineered piece of equipment built for rugged reliability:
- Green Front, Yellow Rear Configuration: This specific color scheme is not arbitrary. The highly visible green front sight naturally draws the eye, allowing for immediate focus on the front blade – a fundamental principle of accurate pistol shooting. The yellow rear dots provide a clear contrast, helping the shooter quickly align the three dots without confusing them, thereby speeding up target acquisition and improving accuracy under pressure. This differentiation is vital for instinctive shooting.
- "Low Set" Profile: The "Low Set" designation indicates that these sights maintain a lower profile on the slide compared to some taller aftermarket sights. This is advantageous for several reasons:
- Maintains Factory Sight Picture: For many shooters, the "Low Set" design helps preserve a similar sight picture to the original factory sights, reducing the learning curve.
- Holster Compatibility: A lower profile reduces the chance of snagging on holsters, clothing, or other gear during drawing or reholstering.
- Co-Witness with Optics (if applicable): While not exclusively designed for it, a lower sight height can sometimes allow for better co-witnessing with certain red dot optics, providing a backup aiming solution.
- CNC-Machined Steel Construction: Durability is paramount for pistol sights. The TG131GT1Y is constructed from CNC-machined steel, providing exceptional strength and resistance to impacts, harsh recoil, and environmental elements. This robust build ensures the sights will withstand the rigors of daily carry, training, and professional use without compromising their zero.
- Fortress Finish™: Truglo applies a protective Fortress Finish™ to the steel, which offers long-lasting corrosion resistance and helps the sights maintain their "black" appearance even after extensive use and exposure to cleaning solvents.
Compatibility: Designed for Your Favorite Glocks
The Truglo TG131GT1Y Brite-Site TFO Low Set boasts extensive compatibility with some of the most popular Glock pistol models. It is precisely engineered to fit:
- Glock 17: The full-size workhorse, often favored for duty and home defense.
- Glock 17L: The long-slide competition model.
- Glock 19: The incredibly popular compact model, ideal for concealed carry and all-around use.
- Glock 22: The full-size .40 S&W equivalent of the Glock 17.
- Glock 23: The compact .40 S&W equivalent of the Glock 19.
- Glock 24: The long-slide .40 S&W model.
- Glock 26:1: The subcompact 9mm, perfect for deep concealment.
- Glock 27: The subcompact .40 S&W.
- Glock 33: The subcompact .357 SIG.
- Glock 34: The long-slide 9mm competition model.
- Glock 35: The long-slide .40 S&W competition model.
This broad compatibility ensures that a wide range of Glock owners can benefit from this sight upgrade, enhancing their trusted firearm's capabilities.
DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.
Why Choose Truglo for Your Glock Sights?
When considering upgrades for a critical tool like a firearm, brand reputation and proven performance matter immensely. Truglo has established itself as a leader in the shooting sports and hunting industries for decades, particularly in the field of firearm sights. Their commitment to innovation, quality materials, and rigorous testing has earned them the trust of countless shooters. Choosing Truglo means investing in a product designed with a deep understanding of shooter needs and engineered to deliver consistent, reliable performance when it counts most.
The TG131GT1Y stands as a testament to Truglo's expertise, combining cutting-edge technology with practical design. It’s an investment that pays dividends in terms of improved accuracy, faster reaction times, and heightened confidence in your Glock's ability to perform under any lighting conditions.
Frequently Asked Questions About Night Sights and the Truglo TG131GT1Y
- How long do Tritium sights typically last?
The Tritium in the Truglo TG131GT1Y sights has a half-life, meaning its luminescence gradually diminishes over time. However, it's designed to provide a bright, reliable glow for approximately 12 years. After this period, while they may still glow, their intensity will be reduced, at which point replacement would be recommended for optimal performance. - Is professional installation required for these sights?
While some experienced individuals with the right tools (specifically a sight pusher) can install these sights themselves, professional installation by a qualified gunsmith is highly recommended. This ensures proper alignment, prevents damage to the sights or your firearm, and guarantees the sights are securely seated for reliable performance. - Will these sights improve my daytime shooting as well?
Absolutely. The fiber optic component of the TFO system is incredibly effective in bright light, creating vivid, easy-to-acquire dots that significantly speed up target acquisition and sight alignment during the day. The combination of green front and yellow rear further aids in quick and clear sight picture acquisition. - Are these sights truly "low profile" and will they snag on my holster?
The "Low Set" design of the Truglo TG131GT1Y is specifically engineered to maintain a profile similar to many factory sights. This minimizes the risk of snagging on common holsters, making them an excellent choice for concealed carry or duty use where a smooth draw is essential. - How durable are these sights for everyday carry or duty use?
Constructed from CNC-machined steel and protected by Truglo's Fortress Finish™, these sights are built to withstand the rigors of daily carry, regular training, and demanding duty environments. They are designed to be extremely robust and maintain zero even after significant impact or recoil. - Where can I purchase the Truglo TG131GT1Y Brite-Site TFO Low Set?
The Truglo TG131GT1Y, along with a wide array of other essential firearm accessories and upgrades, is available at DEGuns. We are committed to providing top-tier products for the discerning shooter, ensuring you have access to the best equipment for your needs.
Conclusion: A Clear Advantage for Your Glock
The Truglo TG131GT1Y Brite-Site TFO Low Set is far more than just an accessory; it's a critical enhancement that unlocks your Glock's full potential in any lighting condition. By seamlessly integrating the best of Tritium and Fiber Optic technologies, these sights provide the ultimate in 24/7 visibility, enabling faster target acquisition, improved accuracy, and unwavering confidence. Whether you carry your Glock for personal defense, use it for professional duties, or enjoy it for sport, upgrading to these Truglo sights offers a tangible advantage that can make all the difference when it matters most. Ensure your Glock is always ready – day or night – with the unparalleled clarity and reliability of the Truglo TG131GT1Y.
| Feature | Specification | Compatible Glock Models |
|---|---|---|
| Model Number | TG131GT1Y | Glock 17, 17L, 19, 22, 23, 24, 26, 27, 33, 34, 35 |
| Illumination | Tritium / Fiber Optic (TFO) | Not Applicable |
| Sight Color | Green Front / Yellow Rear | Not Applicable |
| Construction | CNC-Machined Steel | Not Applicable |
| Finish | Fortress Finish™ | Not Applicable |
| Profile | Low Set | Not Applicable |
| UPC | 788130101867 | Not Applicable |
Specifications
Explore the specific details and characteristics
- SKU
- 26970







