Glock Pair 6.9mm Night Sight Tritium OEM Factory GNS04 Metal Glock OEM Front Tritium Sight w/ screw Metal Glock OEM Rear Tritium Sight 6.9mm Factory Fixed Steel Night Sights Fits Glock 20, 20SF, 21, 21SF, 29, 29SF, 30, 30SF, 31, 32, and 36 GLOCK logo stamped on sights