Mauser FN With .500 RHS Or Mauser 98 Altered by Warne now offers the Mauser FN with .500 RHS Or Mauser 98 Altered bases. These Mauser FN bases are produced from high quality steel for durability and exceptional strength. The Mauser FN bases have a full width recoil slot in each one to give your rings a larger bearing surface to support higher recoil. The Mauser FN bases are low profile and will allow you to use any Weaver or Picatinny style ringsyou're your scope. Specifications and Features Fits Warne and Weaver and Picatinny Bases Steel Construction Full Width Recoil Slot