Rifle scope 3-9x magnification 40mm objective lens 1 tube 1/4 MOA (1/4 click value @ 100 yds) Multi-X (duplex) reticle 100 yds parallax setting 40 ft to 13 ft field of view @ 100 yds 4 in. eye relief 13.3mm to 4.4mm exit pupil 14.1 oz. 11.9 long Includes Butler Creek flip-open lens covers • Not suitable for spring-piston pellet rifles.• Other features: Nitrogen-filled Fogproof Waterproof Gloss finish 5.5 mounting length 91% light transmission Fully multi-coated optics Fast-focus eyepiece • If you hunt with your air rifle, then this Bushnell Trophy XLT scope might be just right for you. Airguns are no longer relegated to just short distances, so this scope can be used on guns that can take game at distances usually reserved for firearm.