Trijicon WP01 Bright & Tough NS Walther P99 3Dot Tritium Green Front/Rear

Trijicon self luminous iron sight are proven to give shooters five times greater night fire accuracy with the same speed as instinctive shooting. The unique shock resistant design is patented and used exclusively by Trijicon. Reliability and precision are the distinct advantages, Trijicon Night Sights are fully warranted for up to 12 years. Construction for strength starts with a tritium filled glass lamp core which is surrounded by a silicone shock cushion. This is further protected within an aluminum sleeve that is faced with a hard, polished sapphire window. The sapphire provides a precisely circular aiming dot as well as sealing out the elements.