XS SIGHT SYSTEMS INC. TRITIUM FRONT SIGHT FOR REMINGTON 870 Enhance low-light performance on your Remington 870 with the XS Sight Systems Tritium Front Sight, engineered for fast, instinctive target acquisition in any lighting condition. Featuring a tritium-illuminated front dot that remains highly visible in darkness, this sight provides a bright, reliable aiming point without batteries or switches. The convex, high-surface-area glow dot absorbs ambient light and intensifies visibility at dusk or indoors, giving shooters a crisp, unmistakable sight picture when it matters most. CNC-machined from solid steel bar stock for strength and durability, this sight is built to with Mfg: Remington