APX Night Sights Kit feature tritium gas-filled lamps with a sapphire front lens which focuses light and is impervious to solvents. The sapphire lens-enhanced tritium vial, is one of the brightest in the industry. The gas-filled lamps are silicone cushioned to take years of use and come with a full warranty.

• These sights have a precision machined metal body that hold the tritium gas filled lamps.
• The lamps glow bright green in the dark and have white outlines that show as white spots in the daylight.
• These sights are impervious to solvents and puncture.