SKU: AMGGL-119
UPC: 644406900344
The Ameriglo 3dot Trit for Glock 20/21/29 is a tritium night sight system designed for low-light target acquisition specifically on Glock 20, 21, and 29 models. This three-dot configuration utilizes self-illuminating tritium vials to provide rapid sight alignment in complete darkness without the need for batteries or activation, making it an excellent choice for duty carry and defensive applications.
Tritium-based night sights operate through the radioactive decay of tritium gas, producing a soft green glow that remains visible in darkness for approximately 10–12 years. The three-dot pattern consists of one front sight vial and one rear sight vial, allowing shooters to quickly center the front post in the rear notch, effectively bridging the performance gap between day and low-light shooting.
This sight upgrade addresses the limitations of factory Glock plastic sights in environments where artificial light is unreliable. Law enforcement, armed security, and home defense shooters will find the consistent sight picture provided by tritium beneficial during nighttime operations. The Ameriglo 3dot configuration effectively balances acquisition speed with precision for these specific Glock models.
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