The new OUTLOOK series air rifle scopes were specifically designed to withstand the reverse recoil found in the most powerful air rifles. Feature rich, this series offers fully multi-coated lenses, fast focus, an adjustable objective, low profile zero-reset turrets, and a Mil-Dot reticle. This series comes standard with 2 piece dovetail rings.Features :"3-9x40mm, 1" Tube Diameter"Fully Multi-Coated LensEye Relief: 3.7-4 inchesMil-Dot ReticleShockproof, Fog proof, Waterproof