GLOCK 39929 Night Sights provide superior target alignment for optimal shooting performance, day or night. Crafted for precision, these sights enhance aiming accuracy with contrasting tritium inserts designed to glow in low-light conditions.Compatible with all GLOCK models excluding the G42 and G43, these sights ensure reliable targeting across various environments, maximizing your shooting efficiency.Front fits all modelsRear size 6.9mmExcludes G42 and G43Standard height for models G20, G21, G29, G30, G31, G32, G36 (including Gen4)Achieve unmatched precision with GLOCK night sights, the essential upgrade for serious shooters.