Rifle scope 3-9x magnification 40mm objective lens (adjustable objective) 1" tube 1/4 MOA (1/4" click value @ 100 yds) 30/30 duplex reticle 10 yds to infinity parallax adjustment 33 ft to 11 ft field of view 3.5" eye relief 9.4mm to 4.6mm exit pupil 19.10 oz. 13.80" long Black matte finish Includes metal lens caps Other features: Fully coated optics Shockproof Fogproof Waterproof This scope is braced to take the harsh 2-way recoil of magnum spring-piston air rifles. Put this on just about any rifle you own: air rifle, centerfire rifle, rimfire rifle or airsoft rifle. It has fine adjustments that allow you to home in on your target. Use if for plinking, shooting spinners, popping paper targets, hunting and pest elimination.