Hi-Viz S300R Magnetic Base Sight to fit Vent Ribs Red

Four interchangeable, high intensity LitePipes are included with all M-Series sights allowing the shooter to adjust to existing light conditions. The M-Series features 4 LitePipes, 2-green, 2 red. The S-Series includes a single LitePipe at a more economical price. Not compatible with fiber or aluminum ribs.