Athlon Optics 4.5-27x50 Midas BTR Gen2 HD, SFP AHMR IR MOA Reticle, 1/4 MOA, 30mm Tube Illuminated AHMR MOA Reticle 50mm Objective 30mm tube Magnification: 4.5-27x Second focal plane Click adjustment Max elevation: 85 Max windage: 85 Full rotation: 25 MOA Length: 13.8" Weight: 26 ounces Eye relief: 3.9" Exposed turrets Field of view at 100 yards: 22.7' to 3.6' Fully-Multicoated lenses Waterproof Fogproof Shockproof Nitrogen purged Athlon Gold Medal Lifetime Warranty