XS Sights F8 Night Sight for Glock 20/21/29
XS Sights
$109.99
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XS Sights
XS Sights F8 Night Sight for Glock 20/21/29
The XS Sights F8 Night Sight for Glock 20/21/29 delivers rapid target acquisition in any lighting condition, combining a bold front sight design with tritium-powered illumination for confident shooting day or night.
- Large, high-contrast front sight blade accelerates target acquisition under stress
- Green tritium front and rear inserts glow reliably in low-light environments
- Vivid orange photoluminescent ring maximizes visibility from bright daylight to dusk
- Wide rear notch frames the front sight quickly for intuitive, natural alignment
- Rounded base of rear notch draws your eye to the top edge for proper sight picture
- Rear sight overhangs toward the shooter, deflecting glare away from the eye
Who This Is For
The XS F8 Night Sight is purpose-built for Glock 20, 21, and 29 owners who demand reliable performance in defensive and duty situations. It's an ideal upgrade for home defenders, concealed carriers, and law enforcement professionals who need fast, instinctive sight acquisition whether engaging a threat in a sunlit range or a dimly lit hallway. If you've struggled with traditional three-dot sights in transitional lighting, the F8's orange ring and wide-notch design offer a dramatic improvement in speed and confidence.
Specifications
| Brand | XS Sights |
|---|---|
| Model | F8 Night Sight |
| Compatible Pistols | Glock 20, 21, 29 |
| Front Sight | Large post with orange photoluminescent ring and green tritium insert |
| Rear Sight | Wide notch with green tritium insert, glare-deflecting overhang |
| Illumination | Tritium (front & rear) + photoluminescent front ring |
| Sight Color | Orange (front ring), Green (tritium) |
| Installation | Drop-in replacement; standard Glock sight tool recommended |
| Made In | USA |
Frequently Asked Questions
How do XS F8 sights differ from standard three-dot night sights?
Unlike traditional three-dot setups that require aligning three equal points, the F8 system uses a single large front sight with a vivid orange photoluminescent ring and a wide rear notch. This design naturally draws your eye to the front sight first, reducing alignment time and making the sight picture faster and more intuitive — especially under stress or in dynamic shooting situations.
Will these sights fit my Glock 20 SF (Short Frame) or Gen 5 model?
The XS F8 Night Sight listed here is specifically designed for the Glock 20, 21, and 29 in standard configurations. Fitment can vary by frame generation and barrel length. If you own a Gen 5, SF, or other variant, verify compatibility against XS Sights' official fit guide or contact Goodland Guns directly before ordering to ensure a proper fit.
How long do the tritium inserts last, and are they replaceable?
Tritium has a radioactive half-life of approximately 12.3 years, meaning your XS F8 sights will glow visibly for 10–15 years under normal use before brightness noticeably diminishes. The tritium vials are factory-sealed within the sight and are not user-replaceable. When they reach end of life, XS Sights offers a recertification or replacement program — contact XS Sights directly for details on their service options.
