Spuhr Scope Mount 34mm Tube 30mm/1.181in Height 9 Mil Pic SP-4901C. 18" Gen 3 Specifications for Spuhr 34mm Scope Mount: Manufacturer: Spuhr Tube Diameter: 34 mm Features of Spuhr 34mm Scope Mount Note: Will not fit the SAKO S20 or rifles with 2-piece...