Our patented injection-molded sleeve design securely holds our tritium vials in place using high-quality ballistic materials, ensuring both durability and stability. Night Fision night sights contain more tritium than the average night sight available, providing superior brightness and visibility in low-light conditions. Each sight features a domed lens specifically engineered to create a crisp, defined glow, facilitating quick and accurate target acquisition when it counts. Trust Night Fision for exceptional performance and reliability in any environment.