UTG 3-9X40 1" TF2 Mil-dot Scope w/Picatinny Rings Adj@100Yds Scope built on True Strength Platform, completely sealed and nitrogen-filled for shock-, fog-, and rain-proof performance User-friendly TF2 Tool-free Two-step Target Turrets allow you to lock in your zero position with quick, easy, exacting adjustments Three-to-9X magnification; one-inch tube diameter; 40-millimeter objective diameter; 36-to-12' field of view at 100 yards; 3.3-to-3.1-inch eye relief 9.9-to-4.5-millimeter exit pupil; 0.25-inch click value at 100 yards; 345-millimeter length; 14.8-ounce weight; 100-yard parallax setting Includes limited lifetime manufacturer's warranty