TFX sights are tough. Our hermetically sealed capsule protects the tritium vial and and fiber-optics from cleaning solvents.
We put them to the test with full strength muriatic (hydrocloric acid) The acid is so strong it will eat through steel, but should be a formidable opponent for fiber-optics—relying on the strength of our sealed-capsule design to keep the sights glowing bright, day and night.
