The Riton by Contessa 30mm Hardened Steel Picatinny Rings are precision machined fixed rings that mount directly to a picatinny rail. These rings are available in three heights: 8mm, 12mm and 19mm.
| Material: | Hardened Steel | 
| Diameter: | 30mm | 
| Center Scope Height - 8mm: | 1.09in/27.68mm | 
| Center Scope Height - 12mm: | 1.25in/31.75mm | 
| Center Scope Height - 19mm | 1.54in/39.11mm | 
| Weight - 8mm: | 5oz/141.74g | 
| Weight - 12mm: | 6oz/170.0g | 
| Weight - 19mm: | 7oz/198.44g | 
| Torque Specifications: | Ring Screws: 15 Inch Pounds / Base Nuts: 45 Inch Pounds |