Glock Oem factory 6.9mm rear sight part# 196 & front sight 6956 with screw, black in color with white outline, polymer. Fits models 20, 20sf, 21, 21sf, 29, 29sf, 30, 30sf, 30s, 31,32, 36, 40,41, GEN 3,4,5. These parts are NEW not takeoffs of other guns.