Thunder Mountain Custom Fiber – Bright, Durable Red Fiber for Firearm Sights – Red – .060
Upgrade Your Sight Picture with Exceptional Brightness and Reliability
First and foremost, Thunder Mountain Custom Fiber delivers exceptional brightness, flexibility, and durability for firearm sights. Moreover, unlike standard fiber replacements, this high-quality fiber ensures your sights remain clearly visible and precise in all lighting conditions. Consequently, whether you are shooting in bright daylight or transitioning to low-light situations, this fiber stands out, helping you acquire targets faster and with greater accuracy.
Optical-Quality Core for Maximum Light Transmission
Brighter and More Vivid Sight Picture
The fiber is constructed with an optical-quality polymer core, which is doped with highly efficient fluorescent dyes. Additionally, a low-refractive-index fluoropolymer coating surrounds the core, allowing both visible and ultraviolet (UV) light to fluoresce. Therefore, the light transmitted through the fiber appears brighter and more vivid than conventional options—over 30% brighter, even on cloudy days. As a result, your sight picture remains clear and vibrant, enhancing target acquisition under any conditions.
Durable and Flexible for Tough Environments
Maintains Performance Shot After Shot
Not only is Thunder Mountain Custom Fiber bright, but it is also incredibly strong and flexible. Because of this resilience, it withstands harsh environments, rough handling, and repeated adjustments without compromising performance. Furthermore, even after repeated bending or exposure to solvents, the fiber retains its integrity, which ensures consistent operation over time. Consequently, you enjoy reliable sight performance shot after shot, even in demanding situations.
Precision for Competitive and Tactical Shooting
Optimized for Accuracy, Speed, and Fit
Thanks to its superior optical properties and durability, this fiber excels in competitive, tactical, and recreational shooting applications. In addition, the bright red color allows for fast, intuitive sight alignment, while its flexibility enables precise cutting and fitting for your specific sight setup. Therefore, you achieve professional-grade performance that enhances both speed and accuracy. Furthermore, this fiber makes installing or customizing your sights easier and more reliable, providing a clear advantage in every shooting scenario.
Key Features & Benefits
Small Fiber, Big Impact
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Bright, fluorescent red fiber – over 30% brighter than standard fibers
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UV-enhanced for visibility in all lighting conditions
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Optical-quality polymer core for efficient light transmission
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Low-refractive-index fluoropolymer coating
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Flexible and strong for repeated use and rough handling
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Solvent-resistant for long-term durability
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Ideal for firearm sights, including competition and tactical applications
Why Choose Thunder Mountain Custom Fiber
Superior Materials for Dependable Sight Performance
Instead of paying a dollar per inch for low-quality replacement fibers, Thunder Mountain Custom Fiber provides unmatched brightness, durability, and consistent performance. Moreover, its unique construction ensures your sights remain visible, precise, and reliable under virtually any condition. Consequently, upgrading your firearm sights with this premium fiber delivers faster target acquisition, greater shooting confidence, and long-term reliability.
Available Color and Size
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Color: Red
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Diameter: .060
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