Hawke Sport Optics Airmax 30 FFP 4-16x50 SF Rifle Scope, AMX IR reticle, 1/10 MRAD, 30mm Tube Capped Target Turrets Focal Plane: First Tube Size: 30mm Reticle: AMX IR Min Parallax Adjustment: 10 yds Eye Relief: 4 inches Field of view @ 100 yards: 32.5-8.1 ft Illuminated reticle: Yes, Red with 6 brightness levels Click Adjustment Value: 1/10 MRAD Windage and Elevation Adjustment Range: 21 MRAD Length: 13.7" Weight: 26.6 oz Waterproof and Shockproof Nitrogen Purged 16 layer fully multi-coated optics 4" sidewheel included