The Sightmark Triple Duty Riflescopes are equipped with an illuminated red/green reticle, which aids shooting in low light conditions. The Sightmark Triple Duty Riflescopes use cutting edge glass with fully multi-coated optics, increasing clarity and making it one of the best riflescopes on the market. The fully multi-coated optics transmit a bright and crisp picture that makes tracking and shooting targets quick and easy. The Triple Duty features a one-piece 30mm tube that increases light transmission and field of view. O-ring sealed and nitrogen purged, they are both fog proof and water resistant. These precision scopes feature a parallax adjustment knob and oversized, locking windage and elevation turrets with 1/8” MOA clicks, providing an additional level of accuracy and ensures that the scope stays zeroed. The Triple Duty series of riflescopes are complimentary to any shooter’s arsenal.