Meprolight FRBS Folding Back-up Sight Set with Self-illuminated Night Sights
Tritium Enhanced Set Of Sights. Low Profile And Lightweight Design Sight. This backup plan is always in sight. The Mepro FRBS is a tritium-enhanced set of sights - two or four smaller tritium vials, depending on the model, are firmly inserted on the large aperture side of the rear sight. Toolless Fr
