AmeriGlo GL121 Classic Tritium Sights for Glock

The AmeriGlo GL121 Classic Tritium Sight Set provides three-dot self-luminous sights designed for consistent alignment in low-light conditions. The set uses a green tritium lamp with a white outline for the front sight and two yellow tritium lamps with white outlines for the rear sight. Constructed with steel frames and a black finish, these sights are built to match the original Classic line favored for duty and defense applications. The GL121 set fits Glock Generation 1–4 slides and is compatible with Glock MOS slide configurations.

Key Specifications

• The front sight lamp is green tritium with a white outline for fast visual reference.
• The rear sight lamps are two yellow tritium lamps with white outlines for a clear three-dot layout.
• The product type is tritium front/rear night sights designed for low-light use.
• The style is a 3-dot night sights set (tritium) with traditional Classic geometry.
• The front material is specified as tritium lamp elements within a steel frame.
• The rear material is specified as tritium lamp elements within a steel frame.
• The frame material is steel with a black finish for durability and wear resistance.
• The frame color is black to match standard Glock slide finishes.
• The sights are intended for pistol use and standard Glock sight cut dimensions.
• The fit is listed as Glock Gen 1–4, compatible with 10mm, .45, and .357 models, including MOS slides.

These Classic GL121 tritium sights offer dependable low-light visibility and a familiar three-dot sight picture for users seeking straightforward, service-proven night sights for compatible Glock pistols. Their durable steel construction and clear tritium markers make them a practical upgrade for range, duty, or everyday carry applications where consistent sight acquisition is important.