Trijicon 3 DOT HD NS YLW GLK 10MM/45ACP GL104Y | 20 21 29 30 36 & 41

Fits Glock Models: 20, 21, 29, 30, 36, 40, and 41 (including S and SF variants, excluding MOS models).The HD Night Sights were specifically created to address the needs of tactical shooters. The three dot green tritium night sight set's front sight features a taller blade and an aiming point ringed in photoluminescent paint while the rear sight is outlined in black and features a wider U-shaped notch. This unique configuration increases visibility and quickens front sight acquisition-even in transitional lighting. Additionally, the front surface of the rear sight is steeply hooked to assist in emergency one-handed slide operation. Green tritium lamps are warranted for 12 years from date of manufacture.