AmeriGlo I-Dot Tritium Night Sights for Glock 20/21/29

AmeriGlo’s GL102 I-Dot tritium sight set offers a dot-over-dot sight picture engineered for rapid, vertical alignment on compatible Glock handguns. These sights use a green tritium front insert with a white photoluminescent outline for daytime visibility and a single tritium lamp in the rear to draw the eye to the front sight in low light. Constructed with steel frames and finished in black, the I-Dot design is intended for close-quarters speed and straightforward point-and-shoot alignment. Note: these sights do not fit Glock MOS slides.

Key Specifications

• This set is a Tritium Front/Rear sight package.
• The style is i-Dot for a dot-over-dot alignment method.
• The front insert is green tritium with a white photoluminescent outline for day and night visibility.
• The rear features a single green tritium lamp centered to assist fast acquisition.
• The frame material is steel with a black finish.
• These sights fit Glock Gen 1–4 (10mm/.45/.357).
• The sight size is listed as 2 Dot.
• Model designation is I-Dot (GL102).
• Intended firearm type: Pistol.
• These sights do not fit Glock MOS slide.

Reliable and straightforward, the AmeriGlo GL102 I-Dot tritium sights simplify sight alignment for low-light and daytime carry use. Their steel construction and easily identifiable front profile make them a practical upgrade for Glock owners seeking faster, more consistent sight acquisition without changing shooting fundamentals.