AmeriGlo XL Tall Optic-Compatible Sight Set for Glock – Green Tritium Front with LumiGreen Outline – Green Tritium Rear – Model GL391
UPC: 644406910978
Upgrade your Glock pistol for co-witnessing, enhanced accuracy, and superior low-light performance with the AmeriGlo GL391 Optic-Compatible XL Tall Sight Set, engineered specifically for shooters using slide-mounted optics such as RMR-, SRO-, and Holosun-style red dots. Designed to sit higher than standard iron sights, this XL Tall set offers a perfect lower-third or absolute co-witness depending on your optic, ensuring a reliable backup visual reference if your dot becomes obstructed, damaged, or fails.
Built with ultra-bright green tritium lamps and AmeriGlo’s highly visible LumiGreen front sight outline, the GL391 sight set delivers a crisp, glowing sight picture in daylight, low light, and total darkness. These sights are precision-machined from premium steel for durability, impact resistance, and long-lasting performance under real-world conditions. Whether you’re carrying concealed, training, shooting competitively, or using your Glock as a duty pistol, this optic-compatible sight set provides the reliability and clarity needed for fast, accurate shooting in any environment.
XL Tall Height for Optic Compatibility & Co-Witnessing
Specifically engineered for Glock pistols equipped with slide-mounted red dots.
Optic-Height Benefits:
XL Tall profile designed for co-witness with popular red dot sights
Ensures visibility through pistol optics even with suppressors or compensators
Provides a backup aiming option if optic fails or becomes obscured
Ideal for duty use, EDC, competition, and tactical setups
Perfectly suited for modern optic-equipped Glock platforms.
Green Tritium Front Sight with LumiGreen Outline – Maximum Day/Night Visibility
The front sight combines a tritium lamp with a bold LumiGreen outline for unmatched brightness.
Front Sight Advantages:
Glows brightly at night thanks to tritium illumination
High-contrast LumiGreen outline enhances daytime visibility
Easily acquired under stress or rapid target transitions
Crisp sight picture for improved front sight focus
A front sight designed for speed and clarity.
Green Tritium Rear Sight – Clean, No-Nonsense Target Alignment
The rear sight uses dual tritium lamps for balanced illumination.
Rear Sight Features:
Two green tritium dots for excellent low-light alignment
Serrated surface reduces glare in bright conditions
Perfect balance between visibility and simplicity
Creates a clean sight picture when paired with the bold front dot
Reliable rear alignment in any lighting environment.
Precision Steel Construction – Built for Duty & Hard Use
AmeriGlo is known for tough, durable, and professional-grade sight systems.
Durability Benefits:
CNC-machined steel construction
Impact- and abrasion-resistant finish
Withstands recoil from high-round-count shooting
Trusted by military, law enforcement, and top-tier firearms trainers
Designed to last a lifetime—even under daily carry conditions.
Perfect for Concealed Carry, Duty Pistols & Competition
Whether you rely on your Glock for personal protection or high-intensity training, the GL391 sight set ensures clear targeting and dependable performance.
Ideal For:
Concealed carry Glock pistols with red dot optics
Duty pistols used by law enforcement and armed professionals
Competition shooting requiring fast, reliable sight acquisition
Tactical and defensive training environments
Confidence and precision for every shot.
Compatible with Popular Glock Models
The AmeriGlo GL391 XL Tall sight set is designed to work with a wide range of Glock platforms.
Fitment Includes:
Glock 17, 19, 22, 23, 26, 27
Glock 19X, 45, 34, 35
Glock MOS variants
And other standard-sized Glock models (excluding Glock 42/43/43X/48 unless indicated)
Perfect for optic-equipped full-size and compact Glocks.
Why Choose AmeriGlo?
AmeriGlo is a leading provider of high-performance handgun sights trusted by professionals worldwide.
AmeriGlo Advantages:
Premium-grade materials
Exceptional day/night visibility
Designed for modern tactical requirements
Made for shooters who demand speed and precision
Backed by a reputation for battle-proven reliability.
Key Specifications
Brand: AmeriGlo
Model: GL391
Type: Optic-Compatible XL Tall Sight Set
Front Sight: Green Tritium, LumiGreen Outline
Rear Sight: Green Tritium
Material: Steel
UPC: 644406910978
Final Thoughts
The AmeriGlo GL391 XL Tall Optic-Compatible Sight Set is the perfect upgrade for Glock owners running slide-mounted red dots who require durable, high-visibility iron sights for co-witnessing and backup precision. With its bold LumiGreen front sight, bright green tritium lamps, and rugged steel construction, this sight set ensures fast alignment, superior clarity, and total reliability in any light condition. Whether for duty, defense, or competitive shooting, the GL391 delivers the performance modern shooters demand.
Choose the AmeriGlo GL391 to enhance your optic-equipped Glock with premium sights built for speed, durability, and precision.
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