Leica Calonox 2 BH Picatinny Set Black 38mm. No riflescope adapter is needed. The set includes all the necessary mounting material and screws. A practical lever clamp ensures tool-free mounting and removal. The adapter is suitable for left- and right-handed users and for all common mounting types. Specifications for Leica Calonox 2 BH Picatinny Set: Manufacturer: Leica Color: Black Attachment Type: Picatinny Mount Type: Picatinny Package Contents: Leica Calonox 2 BH Picatinny Set Leica 59085: Calonox 2 BH Picatinny Set Black 38mm