• Installs on the Target side of the 20/20 Scope Body
• Threads accept Short sunshade, Long sunshade, or Peep Alignment Ring 

           30mm 

• Lens Diameter: 1.350"  / Max Diameter Lens: 1.355"

           35mm

• Lens Diameter: 1.580"  

           40mm

• Lens Diameter: 1.750"  / Max Lens Diameter: 1.755"