Sig Sauer P Series Contrast Rear Sight, #8. Made to the highest Sig Sauer standards in material and workmanship. This factory original part is perfect to replace you original worn parts, or to just keep your Sig Sauer firearm running in top operating condition. Factory replacement rear contrast sight #8 for P Series pistols. Fits Sig Sauer Models: P220, P225, P226, P227, P228, P229, P238, P239, P320, P365 & P938 Manufacturer: Sig Sauer Note: It is recommended that all Sig Sauer parts be installed by a qualified and trained gunsmith.