Meprolight Tru-Dot Rear Night Sight for Glock 10MM/.45 ACP TD (Green)

This Meprolight Tru-Dot Night Sight is meant for use on the Glock 10mm, .40 and .45 ACP pistols. This single green rear sight has a self-illuminated design that takes maximum advantage of tritium light sources – the fail-safe, maintenance-free light sources that don’t require any external source of energy. It also provides up to 15 years of usable light under all weather conditions. Meprolight continues to offer the strongest guarantee in the industry for the usable light of Tru-Dot sights.