This is the Ameriglo Bold Night Sights typically used on Glocks, model 47284.
A durable" bright-orange outline surrounds a Swiss made green tritium insert" creating a fast" eye-catching front sight. Paired with a serrated" traditional squared-notch tritium rear sight" the BOLD set is ideal for all environments. Machined in the USA" the BOLD series set presents an accurate and easy-to-acquire sight picture.
Features:
Sight set with green tritium lamp
orange front and two green tritium lamp rear for Glocks
Highly visible under all lighting conditions.
LumiGreen paint will glow brightly for 10 minutes after light exposure.