TruGlo Sig Sauer Tritium Fiber Optic (TFO) Front Sight Set #6 was designed and manufactured to be a great option for any shooter. These sights are designed from the professionals at Sig Sauer and are composed of high quality products in order to ensure the shooter has many years of use. As a result of Sig Sauer’s desire for their shooters to have sights for their firearms in order to improve on accuracy, the TruGlo Sig Sauer Tritium Fiber Optic Front Sights were developed. These sights combine Tritium and Fiber Optic technology in order to produce a sight that glows bright green, day or night and is perfect for any lighting conditions. The TruGlo Sig Sauer Tritium Fiber Optic Front Sight #6 is designed for the P220 (except for the fixed front sight models), P225, P226, P228, P239, P245, and all Sig Pro models.