Ensuring that users have the flexibility needed to mount optics with the correct amount of eye relief is the aim of the Leupold BackCountry Cross-Slot 1-PC Rifle Base, built specifically to work on the long-action SIG Sauer 202 rifle. The base is designed for use with all Picatinny rings and is machined from 7075-T6 aluminum for added durability. Other features include a matte-black finish and 20 MOA of built-in elevation. Mfg: Leupold