The RAM Mount-System allows for various mounting locations: from the Picatinny hand-guard or directly to the scopeusing our mounting rings with our UNIVERSAL-interface. The RAM-Mount-System uses shock absorbing rubberizedball joints. Intensive testing has proven the durabilityof this system. The included Standard-Adapter allows either a parallel orvertical positioning of the RAM-ball joint to the Picatinny rail. ERATAC iPhone 4/4S Lever Mount T1370-0000