AmeriGlo GL391 Optic Compatible Sight Set Glock XL Tall Tritium

The AmeriGlo GL391 sight set transforms Glock pistols into precision instruments ready for low-light conditions and optic mounting. This XL tall configuration provides co-witness capability with red dot sights while delivering reliable tritium illumination for 12+ years.

What Makes This Different

Unlike standard height sights, the GL391's XL tall profile maintains usability when red dot optics are mounted, creating a backup iron sight system. The front sight combines self-illuminating green tritium with a bright LumiGreen photoluminescent outline that charges from ambient light. This dual-illumination system outperforms single-source night sights in varied lighting conditions, from bright daylight transitions to complete darkness.

Key Features

• XL tall height enables co-witness with mounted red dot optics
• Green tritium vials provide 12-year guaranteed illumination
• LumiGreen photoluminescent front sight outline charges from light exposure
• Machined steel construction with anti-glare serrations
• Drop-in installation fits factory Glock dovetails
• Optic-compatible design accommodates popular RMR-pattern red dots
• Three-dot sight picture for rapid target acquisition

Field performance remains consistent across temperature extremes and moisture exposure. The tritium maintains brightness in sub-zero conditions while the photoluminescent outline provides enhanced visibility during dawn and dusk transitions. Competition shooters benefit from the crisp sight picture, while duty officers gain confidence in backup sighting capability when primary optics fail.

Technical Specs

• Front sight height: 0.450 inches
• Rear sight height: 0.394 inches
• Material: Machined steel with tritium vials
• Tritium color: Green front and rear
• Compatibility: Glock pistols with factory dovetails
• Installation: Standard sight pusher tool required
• Warranty: 12-year tritium guarantee
• Country of origin: USA

Professional installation ensures proper sight alignment and zero retention. The GL391 represents proven AmeriGlo engineering focused on tactical applications where backup sighting capability cannot be compromised.