FX have developed and a really nice mount that solves a huge number of problems for all air weapons enthusiasts. You can keep the optical center and tilt the lens easily with only one screw on the bracket. No more problems zeroing your optics.

Vertically adjustable 3,8 mm → 4 m at 100 m shooting distance. Eliminates all problem with limits of crosshair movement for long range shooting. Always lets you use the sweet spot of your scope and fine tune with crosshairs. Easy to use and affordable! Available for 1″ and 30 mm scope tubes and in 9-11mm or Picatinny.