Redfield Bases Redfield Hidden 2-Screw Rings Extension Rear, Extension Front. 1", All Heights. PreviousRedfield 4-Screw Rings Standard Rear, Extension Front. 1", All Heights. NextRedfield Top 2-Screw Extension Rear, Standard Front Rings. 1". Redfield Hidden 2-Screw Rings Extension Rear, Extension Front. 1", All Heights. Redfield Hidden 2-Screw Rings Extension Rear, Extension Front. 1", All Heights. from $249.00 Height: Select Height Low, 522616; New Old Stock or RestoredMedium; 522618; New Old Stock or Restored Low, 522616; New Old Stock or Restored Medium; 522618; New Old Stock or Restored Quantity: Add To Cart Facebook0 Twitter