Sig #8 rear sight with .140" wide x .120" deep U notch. User installable, compatible with all Sig pistols.

The #8 rear is the most commonly used factory height, and is .250" overall height, with .095" dovetail depth and .155" blade height above the slide.

Precision CNC machined from pre hardened 4140 tool steel and QPQ/Nitride finished for superior surface hardness and corrosion resistance similar to factory slide finish.