The Ameriglo UC Sight set features a green tritium lamp, luminescent green outline front and round notch serrated steel rear for Glocks. Designed with large, highly visible front and for rapid sight acquisition. AMERIGLO is committed to manufacturing the highest quality tritium, painted dot, fiber rod, and custom OEM iron sights for the modern hand-gunner. With the largest selection of set options for leading firearm brands, AMERIGLO brings a clear advantage to your shooting experience on and off the range. DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.