AmeriGlo GL491 3XL Optic-Compatible Sight Set for Glock

The AmeriGlo GL491 3XL Tall optic-compatible sight set provides an elevated co-witness profile for slide-mounted red dot optics on Glock pistols. The set pairs a green tritium front with a white outline and a flat black rear to preserve a clear, reference-oriented sight picture in varied lighting. Designed for Glock Gen 1-5 and MOS slides, the sights work with a range of micro red dot footprints. Materials and construction prioritize functional reliability for range use, service, and everyday carry setups.

Key Specifications

• The model is GL491.
• The height is 3XL Tall for elevated co-witness with slide-mounted optics.
• The front sight is green tritium with a white outline for low-light visibility.
• The rear sight is finished in flat black for a clear sight picture.
• The front material uses tritium inserts.
• The rear material uses tritium inserts.
• The frame material is steel.
• The style is optic-compatible for micro red dot co-witnessing.
• Compatible with Trijicon RMR/SRO, Holosun 407/507/508T, and EOTech EFLX footprints and fits Glock MOS slides.
• Product type is a sight set intended for Glock pistols.

The GL491 3XL Tall sight set delivers a practical upgrade for Glock owners running slide-mounted optics or seeking improved low-light reference points. Its taller profile and tritium front afford a quick, consistent sight picture while the flat black rear maintains a low-profile, usable backup. Built for compatibility with common micro red dot footprints and Glock MOS slides, this set is a straightforward choice for shooters who want reliable, functional sights without unnecessary complexity.