Rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles

tough aluminum

100% repairable

maintenance and much more

but in a slightly looser fit

Vortex Crossfire II 3-9x50 Riflescope (1-Inch) BDC Silver Rubber ball and socket technologyVortex Crossfire II 3 9x50 Riflescope (1 Inch) BDC With long eye relief, a fast focus eyepiece, fully multi coated lenses and resettable MOA turrets, there's no compromising on the Crossfire II. Clear, tough and bright, this riflescope hands other value priced riflescopes their hat. The hard anodized single piece aircraft grade aluminum tube is nitrogen purged and o ring sealed for waterproof fogproof performance. PRODUCT FEATURES Fast Focus Eyepiece: