XS Sights F8 night sights for Glock 20 pistols are built on a simple philosophy: your sights should work as hard as you do, whether you're shooting in bright daylight or total darkness. The F8 design prioritizes what matters most—fast sight acquisition and rock-solid accuracy across any lighting condition. The large, high-contrast front sight cuts through visual clutter, letting your eye settle on it instantly, while the wide rear notch pairs with it effortlessly for clean, repeatable alignment.

What sets the F8 apart is its dual-light strategy. Green tritium vials glow in low light without batteries, giving you a reliable sight picture when ambient light fades. But the orange ring surrounding the front sight isn't just night-vision theater—it's photoluminescent, meaning it soaks up available light and glows when you need it, and it delivers maximum visibility in daylight and twilight too. The rear sight's rounded notch base and ledge design work with your natural sight picture: the notch geometry naturally draws your focus to the top edge where proper alignment happens, and the rear overhang angles glare down and away from your eye. One-handed slide manipulation is supported by the rear sight ledge, a practical feature for defensive shooters and those dealing with injuries or one-handed transitions.

Installation is straightforward—hand installation or a sight pusher tool both work. The sights fit Glock 20, 21, 29, 30, 30S, 37, 40, and 41 models and sit low enough for common holster compatibility, so you won't need to hunt for a new carry rig.

Key Features

• Large, high-contrast front sight for rapid acquisition in all conditions
• Green tritium vials in front and rear for low-light glow
• Orange photoluminescent ring on front sight absorbs ambient light for daylight and twilight visibility
• Wide rear notch for easy alignment with the front post
• Rounded notch base naturally directs focus to sight alignment point
• Rear sight overhang reflects glare away from shooter's eye
• Rear sight ledge supports one-handed slide manipulation
• Compatible with standard holsters
• Hand-installable or compatible with sight pusher tools

Specifications

Brand	XS Sights
Model	F8 Night Sights
Firearm Compatibility	Glock 20, 21, 29, 30, 30S, 37, 40, 41
Front Sight Tritium	Green
Rear Sight Tritium	Green
Front Sight Ring	Orange photoluminescent
Installation Method	Hand installation or sight pusher tool

Frequently Asked Questions

Will XS Sights F8 night sights fit my Glock 20?

Yes. These sights are specifically designed for Glock 20, and also fit Glock 21, 29, 30, 30S, 37, 40, and 41.

Can I install these sights myself, or do I need a gunsmith?

You can install them by hand, or use a sight pusher tool if you prefer. Either method works.

How do XS F8 sights work in low light and daylight?

The green tritium vials glow passively in low light and darkness. The orange ring around the front sight is photoluminescent, meaning it absorbs ambient light and glows when light fades, and it delivers strong visibility in daylight and twilight conditions.

Will these sights fit in my holster?

Yes. The XS F8 sights are designed to fit in common holsters without modification.