Rear Sight
Tritium Rear Sight for Glock® Green Tritium single dot No Outline .394 H .165" Sq Notch"
Fits All Glock® Models (excluding 42/43/48 variants)
Rear sight with two tritium lamps and white outlines
Rear sight with round notch, two green tritium lamps with white outline
Rear sight with two tritium lamps and black outlines