high excellent 1″steel mounting rings for riflescopes as much as 52mm. Appropriate for weaver/picatinny rails. These days, konus makes a speciality of creating first-rate optics at an outstanding value to hunters and shooters international. Italian organizations are renowned for design and having a deep know-how for precision and first-rate. Konus epitomizes this philosophy, creating optics with demanding specifications at the factory to ensure that every product suits a standard requirement before it is released. Since 2006, konus has been providing their extensive variety of taking pictures optics inside the american marketplace.