- Multi-coated lenses - Air gun compatible - Variable power magnification - Includes lens covers - Limited lifetime warranty In the Box AIM Sports Rifle Scope (3-9X40) black finish ruby lens rugged aluminum weaver style rings lens covers comprehensive instructional guide Specifications: Magnification 3X-9XTube diameter 1??Objective diameter 40 mmFOV (feet at 100 yards 36.6-13.6 FeetEye relief 2.76-3.35 InchesExit pupil 13.3-4.4 mmReticle P4 sniperNet weight 16 ozLength 12.2 in.Click value 1/4 M.O.AFinish Matte blackLens coating RubyMount included Weaver style mount California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov