HUSKEMAW OPTICS CROSSBOW SCOPE 4X40MM The Crossfield 4x40 Crossbow Scope features a calibrated yardage turret to match high-speed crossbows at extended ranges. An illuminated center dot features adjustable intensity and is capable of both red and green color. The high-density multicoated lenses provide premium light gathering for bright, sharp images. Rugged aluminum construction provides durable, shockproof, and waterproof construction for use in challenging conditions. Includes windage knob cap, elevation turret cap, flip up lens caps and cleaning cloth. Has a maximum mounting length of 4.3”, overall length of 3.7” and overall weight of 20.1 ounces.