At night, they provide no illumination whatsoever.
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Plain fiber optic sights do not provide any illumination in the dark at all. There are some manufacturers that offer a combination of fiber optic and night sights (TruGlo TFO) but sights like HiViz are simply fiber optic. Unless u shoot a lot in the dark or your club hasnt paid the electric bill the regular HiViz work just dandy.I had a conversation with a shooter at my last IDPA match, and he explicitly told me that his Fiber Optic Sights were glow in the dark...
Plain fiber optic sights do not provide any illumination in the dark at all. There are some manufacturers that offer a combination of fiber optic and night sights (TruGlo TFO) but sights like HiViz are simply fiber optic. Unless u shoot a lot in the dark or your club hasnt paid the electric bill the regular HiViz work just dandy.
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