nikko stirling airkingThe Nikko Stirling Airking is designed to be a premium riflescope for the growing market of primarily air rifles. The thing about air rifles is that the spring versions come with strong recoil as they have fairly tight springs, which a riflescope should be able to handle! The Airking models can do that without any problems. They are really nice and work perfectly for any air rifle. As an extra cool feature, all Airking binoculars come with a mounting