Description
The Trijicon 3DOT Supp NS SF is an iron sight.
Iron sights align a front and a rear reference on the target without magnification or batteries. They are what a gun points with when nothing is mounted, and what it falls back on if an optic fails.
These are night sights. Tritium vials glow without any light source or charging, which is what makes the sight picture usable in the dark. Tritium decays, so the glow dims over years rather than lasting indefinitely.
Sight fitment is specific to the firearm. Dovetail dimensions and sight heights differ between models and even between generations of the same model, so check what your slide or rail is cut for.
This is an accessory, not a firearm, and ships directly to your address.
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