Meprolight 34044 Tru-Dot NS Shotgun Bead 5-40 Threaded Mossberg Tritium Green
Meprolight revolutionary, combat proven, tritium self-illuminated night
sights enable you to hit stationary or moving targets under lowlight
conditions with dramatically increased hit probability. Test results by
marksmen and journeymen level shooters have shown an increase of over 85%
in hit efficiency compared to conventional sights. This model has a 5-40
thread, which fits Mossberg shotguns.