Meprolight USA 227713101 Mepro Tru-Dot Fixed Sights Self-Illuminated Green Tritium Front & Rear with Black Frame for S&W K,L,N, Frame

Meprolight Tru-Dot sights offers a sighting system for improved rapid instinctive aiming which requires no transition from day to night use. Day and night, the shooter's aiming reference are three solid dots, identical in appearance and location under all light conditions.This adjustable model is compatible with S&W K, L, N revolvers w/pin insert on front sight.