Steiner 5101 TX5i 1-5x 24mm Obj SFP 108-21 ft @ 100 yds FOV 30mm Tube Black Finish Illuminated 3TR 5.56 Steiner's Riflescopes offer a wide variety of reticles perfectly suited to your hunting, competitive, or tactical shooting adventures. From clean, simple designs for fast-actiontarget shooting, to detailed, precision reticles for longrange shooting. The precision adjustment system pinpoints accuracy which is easily achieved with Steiner windage and elevation adjustment systems. Each scope tube is milled from solid, high-grade aluminum stock for greater strength and durability along with a variety of lens coatings for add strength, protection, and clarity and are fully shockproof and can withstand up to 900 Gs of impact. The T5Xi brings unmatched clarity, accuracy and self-assurance to any situation, from combat to competition. The Close Range model featuers a locking dioptor that prevents accidental rotation, consistent eye relief, and a tapered, all metal magnification ring which is angled so the shooter can see their magnification setting while positioned directly behind the scope. It also has an one-piece 30mm tube which provides greater elevation and windage adjustments for longer ranges, a throw lever that allows quick, easy magnification changes and Tenebraex lens covers to protect the lenses from dust and moisture. This 1-5x24mm model has an Illuminated 3TR 5.56 reticle. It uses a CR2450 battery (not included).