TRUGLO Fiber Optic Pro Sight Set for Glock 20-41 (Gen 1-5) - High Steel, Red Front/Black Rear

The TRUGLO Fiber Optic Pro sight set for Glock 20-41 (Gen 1-5) delivers the speed and precision competitive shooters and serious recreational marksmen demand. Built on high steel construction with a red front sight and blacked-out rear, this fiber-optic setup solves a real problem: gathering enough light to make the sight glow fast and bright in changing conditions, from bright sunlight to dim indoor ranges. Instead of making the fiber longer—which shrinks your sight radius and muddies your sight picture—TRUGLO's patented reflector design redirects ambient light across the full 360° surface of the fiber, keeping your sight radius intact while brightening the glow.

The red front fiber catches light from all angles and channels it through the reflector, while the serrated, blacked-out rear sight cuts glare and gives you clean contrast for fast target acquisition. That contrast matters: in a match or when stakes are high, a crisp sight picture saves tenths of a second. The set is engineered to fit standard Glock holsters, so you won't have to rethink your carry setup. TRUGLO includes spare fibers and reflector tape, so if the fiber ever gets damaged, you've got backup on hand without a return trip to the shop.

These sights are designed for shooters who live on the range or in the competition circuit—people who care about repeatability and speed, and who don't want to fuss with batteries or electronics. Drop them on your Glock and trust them to work the same way every single session, rain or shine. Note that point-of-impact can vary slightly due to manufacturing tolerances in the gun itself, so you'll want to confirm zero at your first range session.

Key Features

• Red fiber-optic front sight with patented 360° light reflector for brightness without added fiber length
• Blacked-out rear sight with serrated face to cut glare and boost contrast
• High steel construction for durability through thousands of rounds
• Fits standard holsters—no carrying gear changes needed
• Includes spare fibers and reflector tape for field repairs
• Works across all Glock 20-41 models, Generations 1 through 5

Specifications

Frequently Asked Questions

Will these sights fit my Glock, and what generations are supported?

Yes—the TRUGLO Fiber Optic Pro set is designed for Glock models 20-41, Generations 1 through 5. That covers nearly every Glock platform in those frame sizes. If you're unsure of your gen, check the markings on your slide; TRUGLO has engineered these to work across the evolutionary changes Glock made over the years.

How bright is the fiber-optic front sight, and will it work indoors?

The patented light reflector design focuses available light from all angles onto the fiber, creating brightness even in dim conditions. This means it will glow indoors under typical range lighting without needing batteries or external power. In very low light, it won't be as brilliant as in sunlight, but it'll still be visible and functional. The reflector design maximizes brightness without lengthening the fiber, so your sight radius stays short and fast.

What's included, and what should I do if the fiber gets damaged?

Each set comes with spare fibers and reflector tape. If your fiber breaks or wears out in the field, you can swap in a spare without visiting a gunsmith. This keeps you shooting instead of waiting.

How do fiber-optic sights compare to traditional night sights?

Fiber-optic sights rely on ambient light and don't require batteries, so they're always ready. They're favored by competitive and range shooters who prioritize speed and clarity in daylight-to-moderate-light conditions. Night sights (tritium or lume) are better suited for low-light and no-light scenarios, like defensive carry. For range and match work, the TRUGLO Fiber Optic Pro excels.